Oklahoma Water Well Driller — Requirements & Free Practice
US-OK · License preparation
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Licenses, application pathways and examination requirements
Each license and applicant pathway has its own requirements and exemptions. Choosing practice questions does not determine your eligibility.
Drilling/Pump Installer License
Firm or individual license with drilling category authorizations. This survey covers groundwater, monitoring/geotechnical, heat-exchange and other drilling specialties; pump installation alone is a separate profession.
Licensing authority: Oklahoma Water Resources Board · Application information
Renewal during ordinary grace period
No examination is required for this applicant pathway.
- Deadline
- Renew a lapsed credential by June 30 of its scheduled renewal year; after that date the Board treats the application as new unless a military grace period applies.
- Held credential
- Hold the Board license or operator certification being renewed.
- Renewal
- Submit the completed renewal, renewal and indemnity fees as applicable, and the late fee after May 31.
Official no-examination sources
Effective from 2026-09-22.
- Oklahoma Water Resources Board application requirements
Grace Period: express renewal without examination
Initial application using equivalent military education and experience
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- Military education
- Present satisfactory evidence of equivalent military education, training and experience; the Board must apply it in the manner most favorable to satisfying licensing or examination eligibility.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
- Residency
- Meet the ordinary residency requirement or a qualifying statutory or reciprocity alternative.
Initial application using equivalent military education and experience
Heat Exchange Well Driller Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- Military education
- Present satisfactory evidence of equivalent military education, training and experience; the Board must apply it in the manner most favorable to satisfying licensing or examination eligibility.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
- Residency
- Meet the ordinary residency requirement or a qualifying statutory or reciprocity alternative.
Initial application using equivalent military education and experience
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- Military education
- Present satisfactory evidence of equivalent military education, training and experience; the Board must apply it in the manner most favorable to satisfying licensing or examination eligibility.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
- Residency
- Meet the ordinary residency requirement or a qualifying statutory or reciprocity alternative.
Renewal during Board granted military grace period
No examination is required for this applicant pathway.
- Held credential
- Hold the Board license or operator certification being renewed.
- Military obligation
- The Board determines and grants an indefinite grace period to a licensee or operator fulfilling a military obligation; statutory active-duty renewal/continuation provisions apply as the Board authorizes.
- Renewal
- Submit the completed renewal, renewal and indemnity fees as applicable, and the late fee after May 31.
Official no-examination sources
Effective from 2026-09-22.
- Oklahoma Water Resources Board application requirements
Grace Period: express renewal without examination
- 59 O.S. section 4100.6, effective November 1, 2012
59 O.S. section 4100.6(A)-(D), military continuation and renewal
Expedited military reciprocal or comity application
- Equivalence
- The Board must accept equivalent education, training and experience most favorably and issue the requested credential within 30 days when statutory equivalence and good standing are established.
- Fee waiver
- Application fees and license/certificate fees for the first issuance period are waived under 59 O.S. section 4100.8(D).
- License held elsewhere
- Hold a valid professional license or certification from another US state or territory in good standing and reasonably equivalent to Oklahoma requirements.
- Military status
- Active-duty military personnel or their spouse with military transfer or honorable-discharge orders to Oklahoma may apply before entering the state.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Testing
- The category examination remains a currently offered examination involved in the licensing requirements; whether it is waived or satisfied by equivalent qualification is the applicant condition. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
Expedited military reciprocal or comity application
Heat Exchange Well Driller Examination (practice unavailable)
- Equivalence
- The Board must accept equivalent education, training and experience most favorably and issue the requested credential within 30 days when statutory equivalence and good standing are established.
- Fee waiver
- Application fees and license/certificate fees for the first issuance period are waived under 59 O.S. section 4100.8(D).
- License held elsewhere
- Hold a valid professional license or certification from another US state or territory in good standing and reasonably equivalent to Oklahoma requirements.
- Military status
- Active-duty military personnel or their spouse with military transfer or honorable-discharge orders to Oklahoma may apply before entering the state.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Testing
- The category examination remains a currently offered examination involved in the licensing requirements; whether it is waived or satisfied by equivalent qualification is the applicant condition. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
Expedited military reciprocal or comity application
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Equivalence
- The Board must accept equivalent education, training and experience most favorably and issue the requested credential within 30 days when statutory equivalence and good standing are established.
- Fee waiver
- Application fees and license/certificate fees for the first issuance period are waived under 59 O.S. section 4100.8(D).
- License held elsewhere
- Hold a valid professional license or certification from another US state or territory in good standing and reasonably equivalent to Oklahoma requirements.
- Military status
- Active-duty military personnel or their spouse with military transfer or honorable-discharge orders to Oklahoma may apply before entering the state.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Testing
- The category examination remains a currently offered examination involved in the licensing requirements; whether it is waived or satisfied by equivalent qualification is the applicant condition. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
Expedited military spouse endorsement
- Equivalence
- The Board determines whether other-state licensing requirements are substantially equivalent; otherwise a temporary credential may allow outstanding Oklahoma requirements to be completed.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Spouse eligibility
- The spouse holds a professional license or certification elsewhere, accompanies an active-duty military spouse transferred to Oklahoma, and left employment elsewhere to accompany the spouse. Section 4100.5(A) also covers its active-duty/permanent-residency condition.
- Testing
- Equivalent licensure is an applicant condition and does not automatically eliminate examination requirements. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
Expedited military spouse endorsement
Heat Exchange Well Driller Examination (practice unavailable)
- Equivalence
- The Board determines whether other-state licensing requirements are substantially equivalent; otherwise a temporary credential may allow outstanding Oklahoma requirements to be completed.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Spouse eligibility
- The spouse holds a professional license or certification elsewhere, accompanies an active-duty military spouse transferred to Oklahoma, and left employment elsewhere to accompany the spouse. Section 4100.5(A) also covers its active-duty/permanent-residency condition.
- Testing
- Equivalent licensure is an applicant condition and does not automatically eliminate examination requirements. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
Expedited military spouse endorsement
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Equivalence
- The Board determines whether other-state licensing requirements are substantially equivalent; otherwise a temporary credential may allow outstanding Oklahoma requirements to be completed.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Spouse eligibility
- The spouse holds a professional license or certification elsewhere, accompanies an active-duty military spouse transferred to Oklahoma, and left employment elsewhere to accompany the spouse. Section 4100.5(A) also covers its active-duty/permanent-residency condition.
- Testing
- Equivalent licensure is an applicant condition and does not automatically eliminate examination requirements. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
Nonresident reciprocal application
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- License held elsewhere
- The Board fact sheet requires out-of-state applicants to be licensed in their state of residency. The current Chapter 35 details of the reciprocity residency waiver were not obtained; no automatic examination waiver is asserted.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
- Residency
- The Board application page exempts qualifying nonresidents from the 90-day Oklahoma residency requirement under reciprocity.
Nonresident reciprocal application
Heat Exchange Well Driller Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- License held elsewhere
- The Board fact sheet requires out-of-state applicants to be licensed in their state of residency. The current Chapter 35 details of the reciprocity residency waiver were not obtained; no automatic examination waiver is asserted.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
- Residency
- The Board application page exempts qualifying nonresidents from the 90-day Oklahoma residency requirement under reciprocity.
Nonresident reciprocal application
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- License held elsewhere
- The Board fact sheet requires out-of-state applicants to be licensed in their state of residency. The current Chapter 35 details of the reciprocity residency waiver were not obtained; no automatic examination waiver is asserted.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
- Residency
- The Board application page exempts qualifying nonresidents from the 90-day Oklahoma residency requirement under reciprocity.
Resident application by examination
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
- Residency
- At least 90 days of Oklahoma residency unless the nonresident reciprocity provision applies.
Resident application by examination
Heat Exchange Well Driller Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
- Residency
- At least 90 days of Oklahoma residency unless the nonresident reciprocity provision applies.
Resident application by examination
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
- Residency
- At least 90 days of Oklahoma residency unless the nonresident reciprocity provision applies.
New application after expiration of the renewal grace period
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Expired credential
- The Board treats renewal after June 30 of the scheduled renewal year as a new application; the certification examination must be retaken. A Board-granted military grace period is the stated exception.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
New application after expiration of the renewal grace period
Heat Exchange Well Driller Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Expired credential
- The Board treats renewal after June 30 of the scheduled renewal year as a new application; the certification examination must be retaken. A Board-granted military grace period is the stated exception.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
New application after expiration of the renewal grace period
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Expired credential
- The Board treats renewal after June 30 of the scheduled renewal year as a new application; the certification examination must be retaken. A Board-granted military grace period is the stated exception.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
Universal Licensing Recognition Act application
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Fees
- Applicable fees must not exceed current in-state licensure fees.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- Other state examination
- 59 O.S. section 4150.1(B)(4) states: "The person demonstrates a successful passage of an equivalent or substantially similar examination from another state or the examination for the Oklahoma examination requirement as determined by the Oklahoma regulatory entity;" The examination from another state is an applicant condition. Board acceptance may excuse the applicant from sitting the Oklahoma category examination.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
- Recognition eligibility
- The Board determines applicable compact/reciprocity conflicts, equivalent scope and practice level, substantially similar standards, at least one year of good standing in the other jurisdiction, equivalent work/training/supervision and pending discipline.
- Residency
- Move to and reside in Oklahoma with verifiable residency, or accompany a spouse on an official permanent military change of station under the statutory alternative.
Universal Licensing Recognition Act application
Heat Exchange Well Driller Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Fees
- Applicable fees must not exceed current in-state licensure fees.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- Other state examination
- 59 O.S. section 4150.1(B)(4) states: "The person demonstrates a successful passage of an equivalent or substantially similar examination from another state or the examination for the Oklahoma examination requirement as determined by the Oklahoma regulatory entity;" The examination from another state is an applicant condition. Board acceptance may excuse the applicant from sitting the Oklahoma category examination.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
- Recognition eligibility
- The Board determines applicable compact/reciprocity conflicts, equivalent scope and practice level, substantially similar standards, at least one year of good standing in the other jurisdiction, equivalent work/training/supervision and pending discipline.
- Residency
- Move to and reside in Oklahoma with verifiable residency, or accompany a spouse on an official permanent military change of station under the statutory alternative.
Universal Licensing Recognition Act application
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Fees
- Applicable fees must not exceed current in-state licensure fees.
- Firm
- List all employed operators; each must hold an operator certificate and the firm must have a qualified operator for every authorized category.
- Other state examination
- 59 O.S. section 4150.1(B)(4) states: "The person demonstrates a successful passage of an equivalent or substantially similar examination from another state or the examination for the Oklahoma examination requirement as determined by the Oklahoma regulatory entity;" The examination from another state is an applicant condition. Board acceptance may excuse the applicant from sitting the Oklahoma category examination.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least two years in the category with two verification letters from previous employers; one letter may be from a supplier. Related education may replace up to one year. An operator application verifying two years accompanies the license application.
- Recognition eligibility
- The Board determines applicable compact/reciprocity conflicts, equivalent scope and practice level, substantially similar standards, at least one year of good standing in the other jurisdiction, equivalent work/training/supervision and pending discipline.
- Residency
- Move to and reside in Oklahoma with verifiable residency, or accompany a spouse on an official permanent military change of station under the statutory alternative.
Operator Certificate
Individual operator certification for a licensed drilling firm; a certificate alone does not authorize independent licensed work.
Licensing authority: Oklahoma Water Resources Board · Application information
Renewal during ordinary grace period
No examination is required for this applicant pathway.
- Deadline
- Renew a lapsed credential by June 30 of its scheduled renewal year; after that date the Board treats the application as new unless a military grace period applies.
- Held credential
- Hold the Board license or operator certification being renewed.
- Renewal
- Submit the completed renewal, renewal and indemnity fees as applicable, and the late fee after May 31.
Official no-examination sources
Effective from 2026-09-22.
- Oklahoma Water Resources Board application requirements
Grace Period: express renewal without examination
Initial application using equivalent military education and experience
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- Military education
- Present satisfactory evidence of equivalent military education, training and experience; the Board must apply it in the manner most favorable to satisfying licensing or examination eligibility.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
- Residency
- Meet the ordinary residency requirement or a qualifying statutory or reciprocity alternative.
Initial application using equivalent military education and experience
Heat Exchange Well Driller Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- Military education
- Present satisfactory evidence of equivalent military education, training and experience; the Board must apply it in the manner most favorable to satisfying licensing or examination eligibility.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
- Residency
- Meet the ordinary residency requirement or a qualifying statutory or reciprocity alternative.
Initial application using equivalent military education and experience
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- Military education
- Present satisfactory evidence of equivalent military education, training and experience; the Board must apply it in the manner most favorable to satisfying licensing or examination eligibility.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
- Residency
- Meet the ordinary residency requirement or a qualifying statutory or reciprocity alternative.
Renewal during Board granted military grace period
No examination is required for this applicant pathway.
- Held credential
- Hold the Board license or operator certification being renewed.
- Military obligation
- The Board determines and grants an indefinite grace period to a licensee or operator fulfilling a military obligation; statutory active-duty renewal/continuation provisions apply as the Board authorizes.
- Renewal
- Submit the completed renewal, renewal and indemnity fees as applicable, and the late fee after May 31.
Official no-examination sources
Effective from 2026-09-22.
- Oklahoma Water Resources Board application requirements
Grace Period: express renewal without examination
- 59 O.S. section 4100.6, effective November 1, 2012
59 O.S. section 4100.6(A)-(D), military continuation and renewal
Expedited military reciprocal or comity application
- Equivalence
- The Board must accept equivalent education, training and experience most favorably and issue the requested credential within 30 days when statutory equivalence and good standing are established.
- Fee waiver
- Application fees and license/certificate fees for the first issuance period are waived under 59 O.S. section 4100.8(D).
- License held elsewhere
- Hold a valid professional license or certification from another US state or territory in good standing and reasonably equivalent to Oklahoma requirements.
- Military status
- Active-duty military personnel or their spouse with military transfer or honorable-discharge orders to Oklahoma may apply before entering the state.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Testing
- The category examination remains a currently offered examination involved in the licensing requirements; whether it is waived or satisfied by equivalent qualification is the applicant condition. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
Expedited military reciprocal or comity application
Heat Exchange Well Driller Examination (practice unavailable)
- Equivalence
- The Board must accept equivalent education, training and experience most favorably and issue the requested credential within 30 days when statutory equivalence and good standing are established.
- Fee waiver
- Application fees and license/certificate fees for the first issuance period are waived under 59 O.S. section 4100.8(D).
- License held elsewhere
- Hold a valid professional license or certification from another US state or territory in good standing and reasonably equivalent to Oklahoma requirements.
- Military status
- Active-duty military personnel or their spouse with military transfer or honorable-discharge orders to Oklahoma may apply before entering the state.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Testing
- The category examination remains a currently offered examination involved in the licensing requirements; whether it is waived or satisfied by equivalent qualification is the applicant condition. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
Expedited military reciprocal or comity application
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Equivalence
- The Board must accept equivalent education, training and experience most favorably and issue the requested credential within 30 days when statutory equivalence and good standing are established.
- Fee waiver
- Application fees and license/certificate fees for the first issuance period are waived under 59 O.S. section 4100.8(D).
- License held elsewhere
- Hold a valid professional license or certification from another US state or territory in good standing and reasonably equivalent to Oklahoma requirements.
- Military status
- Active-duty military personnel or their spouse with military transfer or honorable-discharge orders to Oklahoma may apply before entering the state.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Testing
- The category examination remains a currently offered examination involved in the licensing requirements; whether it is waived or satisfied by equivalent qualification is the applicant condition. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
Expedited military spouse endorsement
- Equivalence
- The Board determines whether other-state licensing requirements are substantially equivalent; otherwise a temporary credential may allow outstanding Oklahoma requirements to be completed.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Spouse eligibility
- The spouse holds a professional license or certification elsewhere, accompanies an active-duty military spouse transferred to Oklahoma, and left employment elsewhere to accompany the spouse. Section 4100.5(A) also covers its active-duty/permanent-residency condition.
- Testing
- Equivalent licensure is an applicant condition and does not automatically eliminate examination requirements. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
Expedited military spouse endorsement
Heat Exchange Well Driller Examination (practice unavailable)
- Equivalence
- The Board determines whether other-state licensing requirements are substantially equivalent; otherwise a temporary credential may allow outstanding Oklahoma requirements to be completed.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Spouse eligibility
- The spouse holds a professional license or certification elsewhere, accompanies an active-duty military spouse transferred to Oklahoma, and left employment elsewhere to accompany the spouse. Section 4100.5(A) also covers its active-duty/permanent-residency condition.
- Testing
- Equivalent licensure is an applicant condition and does not automatically eliminate examination requirements. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
Expedited military spouse endorsement
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Equivalence
- The Board determines whether other-state licensing requirements are substantially equivalent; otherwise a temporary credential may allow outstanding Oklahoma requirements to be completed.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Spouse eligibility
- The spouse holds a professional license or certification elsewhere, accompanies an active-duty military spouse transferred to Oklahoma, and left employment elsewhere to accompany the spouse. Section 4100.5(A) also covers its active-duty/permanent-residency condition.
- Testing
- Equivalent licensure is an applicant condition and does not automatically eliminate examination requirements. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
Nonresident reciprocal application
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- License held elsewhere
- The Board fact sheet requires out-of-state applicants to be licensed in their state of residency. The current Chapter 35 details of the reciprocity residency waiver were not obtained; no automatic examination waiver is asserted.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
- Residency
- The Board application page exempts qualifying nonresidents from the 90-day Oklahoma residency requirement under reciprocity.
Nonresident reciprocal application
Heat Exchange Well Driller Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- License held elsewhere
- The Board fact sheet requires out-of-state applicants to be licensed in their state of residency. The current Chapter 35 details of the reciprocity residency waiver were not obtained; no automatic examination waiver is asserted.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
- Residency
- The Board application page exempts qualifying nonresidents from the 90-day Oklahoma residency requirement under reciprocity.
Nonresident reciprocal application
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- License held elsewhere
- The Board fact sheet requires out-of-state applicants to be licensed in their state of residency. The current Chapter 35 details of the reciprocity residency waiver were not obtained; no automatic examination waiver is asserted.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
- Residency
- The Board application page exempts qualifying nonresidents from the 90-day Oklahoma residency requirement under reciprocity.
Resident application by examination
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
- Residency
- At least 90 days of Oklahoma residency unless the nonresident reciprocity provision applies.
Resident application by examination
Heat Exchange Well Driller Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
- Residency
- At least 90 days of Oklahoma residency unless the nonresident reciprocity provision applies.
Resident application by examination
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
- Residency
- At least 90 days of Oklahoma residency unless the nonresident reciprocity provision applies.
New application after expiration of the renewal grace period
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Expired credential
- The Board treats renewal after June 30 of the scheduled renewal year as a new application; the certification examination must be retaken. A Board-granted military grace period is the stated exception.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
New application after expiration of the renewal grace period
Heat Exchange Well Driller Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Expired credential
- The Board treats renewal after June 30 of the scheduled renewal year as a new application; the certification examination must be retaken. A Board-granted military grace period is the stated exception.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
New application after expiration of the renewal grace period
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Expired credential
- The Board treats renewal after June 30 of the scheduled renewal year as a new application; the certification examination must be retaken. A Board-granted military grace period is the stated exception.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
Universal Licensing Recognition Act application
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Fees
- Applicable fees must not exceed current in-state licensure fees.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- Other state examination
- 59 O.S. section 4150.1(B)(4) states: "The person demonstrates a successful passage of an equivalent or substantially similar examination from another state or the examination for the Oklahoma examination requirement as determined by the Oklahoma regulatory entity;" The examination from another state is an applicant condition. Board acceptance may excuse the applicant from sitting the Oklahoma category examination.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
- Recognition eligibility
- The Board determines applicable compact/reciprocity conflicts, equivalent scope and practice level, substantially similar standards, at least one year of good standing in the other jurisdiction, equivalent work/training/supervision and pending discipline.
- Residency
- Move to and reside in Oklahoma with verifiable residency, or accompany a spouse on an official permanent military change of station under the statutory alternative.
Universal Licensing Recognition Act application
Heat Exchange Well Driller Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Fees
- Applicable fees must not exceed current in-state licensure fees.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- Other state examination
- 59 O.S. section 4150.1(B)(4) states: "The person demonstrates a successful passage of an equivalent or substantially similar examination from another state or the examination for the Oklahoma examination requirement as determined by the Oklahoma regulatory entity;" The examination from another state is an applicant condition. Board acceptance may excuse the applicant from sitting the Oklahoma category examination.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
- Recognition eligibility
- The Board determines applicable compact/reciprocity conflicts, equivalent scope and practice level, substantially similar standards, at least one year of good standing in the other jurisdiction, equivalent work/training/supervision and pending discipline.
- Residency
- Move to and reside in Oklahoma with verifiable residency, or accompany a spouse on an official permanent military change of station under the statutory alternative.
Universal Licensing Recognition Act application
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Application
- Submit the application through the Board licensing portal, Social Security number, citizenship affidavit, applicable fees and experience verification before testing.
- Fees
- Applicable fees must not exceed current in-state licensure fees.
- Firm
- List the licensed firm that employs the operator; operator certification alone is not authority to conduct licensed work.
- Other state examination
- 59 O.S. section 4150.1(B)(4) states: "The person demonstrates a successful passage of an equivalent or substantially similar examination from another state or the examination for the Oklahoma examination requirement as determined by the Oklahoma regulatory entity;" The examination from another state is an applicant condition. Board acceptance may excuse the applicant from sitting the Oklahoma category examination.
- Passing score
- Obtain 70% for the category, subject to statutory recognition and Board acceptance described in the applicable route.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Qualifying experience
- At least one year in the category with a previous-employer verification letter; related education may replace up to six months.
- Recognition eligibility
- The Board determines applicable compact/reciprocity conflicts, equivalent scope and practice level, substantially similar standards, at least one year of good standing in the other jurisdiction, equivalent work/training/supervision and pending discipline.
- Residency
- Move to and reside in Oklahoma with verifiable residency, or accompany a spouse on an official permanent military change of station under the statutory alternative.
Temporary Drilling/Pump Installer License
Temporary military credential authorizing drilling practice while specified Oklahoma documentation or qualification requirements are completed; applies to the drilling category held.
Licensing authority: Oklahoma Water Resources Board · Application information
Temporary military credential pending completion of Oklahoma requirements
- Eligibility
- An eligible military applicant holds a valid out-of-state credential; the Board finds required documentation lacking or unavailable or identifies outstanding Oklahoma requirements.
- Equivalence and testing
- Board acceptance of equivalent qualifications and any outstanding category test are applicant conditions. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
- Fees
- The statutory initial military application and license/certificate fee waivers apply.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Temporary practice
- 59 O.S. section 4100.8(C) requires a temporary credential to allow employment while necessary requirements are obtained. A category examination is involved in the underlying Oklahoma qualification; this does not assert it must be sat before temporary issuance.
Temporary military credential pending completion of Oklahoma requirements
Heat Exchange Well Driller Examination (practice unavailable)
- Eligibility
- An eligible military applicant holds a valid out-of-state credential; the Board finds required documentation lacking or unavailable or identifies outstanding Oklahoma requirements.
- Equivalence and testing
- Board acceptance of equivalent qualifications and any outstanding category test are applicant conditions. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
- Fees
- The statutory initial military application and license/certificate fee waivers apply.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Temporary practice
- 59 O.S. section 4100.8(C) requires a temporary credential to allow employment while necessary requirements are obtained. A category examination is involved in the underlying Oklahoma qualification; this does not assert it must be sat before temporary issuance.
Temporary military credential pending completion of Oklahoma requirements
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Eligibility
- An eligible military applicant holds a valid out-of-state credential; the Board finds required documentation lacking or unavailable or identifies outstanding Oklahoma requirements.
- Equivalence and testing
- Board acceptance of equivalent qualifications and any outstanding category test are applicant conditions. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
- Fees
- The statutory initial military application and license/certificate fee waivers apply.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Temporary practice
- 59 O.S. section 4100.8(C) requires a temporary credential to allow employment while necessary requirements are obtained. A category examination is involved in the underlying Oklahoma qualification; this does not assert it must be sat before temporary issuance.
Limited temporary military spouse credential pending outstanding requirements
- Eligibility
- The applicant is an out-of-state licensed military spouse who left employment to accompany the active-duty spouse transferred to Oklahoma.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Temporary practice
- The Board may issue a temporary credential for a limited period to permit practice while completing Oklahoma-specific requirements absent from the other jurisdiction. This does not assert examination passage before temporary issuance.
- Testing
- 59 O.S. section 4100.7 does not automatically dispense with testing. Any accepted equivalent qualification or required Oklahoma category examination remains an applicant-specific condition.
Limited temporary military spouse credential pending outstanding requirements
Heat Exchange Well Driller Examination (practice unavailable)
- Eligibility
- The applicant is an out-of-state licensed military spouse who left employment to accompany the active-duty spouse transferred to Oklahoma.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Temporary practice
- The Board may issue a temporary credential for a limited period to permit practice while completing Oklahoma-specific requirements absent from the other jurisdiction. This does not assert examination passage before temporary issuance.
- Testing
- 59 O.S. section 4100.7 does not automatically dispense with testing. Any accepted equivalent qualification or required Oklahoma category examination remains an applicant-specific condition.
Limited temporary military spouse credential pending outstanding requirements
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Eligibility
- The applicant is an out-of-state licensed military spouse who left employment to accompany the active-duty spouse transferred to Oklahoma.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Temporary practice
- The Board may issue a temporary credential for a limited period to permit practice while completing Oklahoma-specific requirements absent from the other jurisdiction. This does not assert examination passage before temporary issuance.
- Testing
- 59 O.S. section 4100.7 does not automatically dispense with testing. Any accepted equivalent qualification or required Oklahoma category examination remains an applicant-specific condition.
Temporary Operator Certificate
Temporary military credential authorizing drilling practice while specified Oklahoma documentation or qualification requirements are completed; applies to the drilling category held.
Licensing authority: Oklahoma Water Resources Board · Application information
Temporary military credential pending completion of Oklahoma requirements
- Eligibility
- An eligible military applicant holds a valid out-of-state credential; the Board finds required documentation lacking or unavailable or identifies outstanding Oklahoma requirements.
- Equivalence and testing
- Board acceptance of equivalent qualifications and any outstanding category test are applicant conditions. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
- Fees
- The statutory initial military application and license/certificate fee waivers apply.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Temporary practice
- 59 O.S. section 4100.8(C) requires a temporary credential to allow employment while necessary requirements are obtained. A category examination is involved in the underlying Oklahoma qualification; this does not assert it must be sat before temporary issuance.
Temporary military credential pending completion of Oklahoma requirements
Heat Exchange Well Driller Examination (practice unavailable)
- Eligibility
- An eligible military applicant holds a valid out-of-state credential; the Board finds required documentation lacking or unavailable or identifies outstanding Oklahoma requirements.
- Equivalence and testing
- Board acceptance of equivalent qualifications and any outstanding category test are applicant conditions. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
- Fees
- The statutory initial military application and license/certificate fee waivers apply.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Temporary practice
- 59 O.S. section 4100.8(C) requires a temporary credential to allow employment while necessary requirements are obtained. A category examination is involved in the underlying Oklahoma qualification; this does not assert it must be sat before temporary issuance.
Temporary military credential pending completion of Oklahoma requirements
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Eligibility
- An eligible military applicant holds a valid out-of-state credential; the Board finds required documentation lacking or unavailable or identifies outstanding Oklahoma requirements.
- Equivalence and testing
- Board acceptance of equivalent qualifications and any outstanding category test are applicant conditions. 59 O.S. section 4100.7 states: Nothing in the Military Service Occupation, Education and Credentialing Act shall be construed to require the issuance of any license or certificate to an applicant who does not otherwise meet the stated eligibility standards, criteria, qualifications or requirements for licensure or certification, nor shall the provisions be construed to automatically allow issuance of any license or certificate without testing or examination, without proper consideration by the licensing and examination board, or without proper verification that the applicant is not subject to pending criminal charges or disciplinary actions, has not been convicted of any offense prohibiting licensure or certification, and has no other impairment which would prohibit licensure or certification in this state.
- Fees
- The statutory initial military application and license/certificate fee waivers apply.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Temporary practice
- 59 O.S. section 4100.8(C) requires a temporary credential to allow employment while necessary requirements are obtained. A category examination is involved in the underlying Oklahoma qualification; this does not assert it must be sat before temporary issuance.
Limited temporary military spouse credential pending outstanding requirements
- Eligibility
- The applicant is an out-of-state licensed military spouse who left employment to accompany the active-duty spouse transferred to Oklahoma.
- Practice category
- Authorization applies to Groundwater wells, Test Hole and Observation Well Drillers Examination; experience and certification must be in this drilling category.
- Temporary practice
- The Board may issue a temporary credential for a limited period to permit practice while completing Oklahoma-specific requirements absent from the other jurisdiction. This does not assert examination passage before temporary issuance.
- Testing
- 59 O.S. section 4100.7 does not automatically dispense with testing. Any accepted equivalent qualification or required Oklahoma category examination remains an applicant-specific condition.
Limited temporary military spouse credential pending outstanding requirements
Heat Exchange Well Driller Examination (practice unavailable)
- Eligibility
- The applicant is an out-of-state licensed military spouse who left employment to accompany the active-duty spouse transferred to Oklahoma.
- Practice category
- Authorization applies to Heat Exchange Well Driller Examination; experience and certification must be in this drilling category.
- Temporary practice
- The Board may issue a temporary credential for a limited period to permit practice while completing Oklahoma-specific requirements absent from the other jurisdiction. This does not assert examination passage before temporary issuance.
- Testing
- 59 O.S. section 4100.7 does not automatically dispense with testing. Any accepted equivalent qualification or required Oklahoma category examination remains an applicant-specific condition.
Limited temporary military spouse credential pending outstanding requirements
Monitoring Well Drilling and Geotechnical Boring Examination (practice unavailable)
- Eligibility
- The applicant is an out-of-state licensed military spouse who left employment to accompany the active-duty spouse transferred to Oklahoma.
- Practice category
- Authorization applies to Monitoring Well Drilling and Geotechnical Boring Examination; experience and certification must be in this drilling category.
- Temporary practice
- The Board may issue a temporary credential for a limited period to permit practice while completing Oklahoma-specific requirements absent from the other jurisdiction. This does not assert examination passage before temporary issuance.
- Testing
- 59 O.S. section 4100.7 does not automatically dispense with testing. Any accepted equivalent qualification or required Oklahoma category examination remains an applicant-specific condition.
Oklahoma Groundwater wells, Test Hole and Observation Well Drillers Examination
- Provider
- Oklahoma Water Resources Board
- Format
- Written
- Passing score
- 70%
- Exam fee
- $50 testing fee
Practice scope
The authority has not published an examination outline; the practice questions follow the scope of the existing question bank.
- Oklahoma Water Resources Board Rules and Regulations
- General Drilling Knowledge
- Groundwater Wells
- Test Holes and Observation Wells
- Plotting Legal Location of Well
Examination sources
- Oklahoma Employment Security Commission occupations handbook
2018 handbook, Groundwater wells, Test Hole and Observation Well Drillers Examination, description, pages 277
- 82 O.S. section 1020.16, version in force before November 1, 2026; OSCN expressly identifies its supersession date
82 O.S. section 1020.16(B)(1): shared drilling content requirement
- Oklahoma Employment Security Commission occupations handbook
2018 handbook, Groundwater wells, Test Hole and Observation Well Drillers Examination, passing criteria, pages 277
- Oklahoma Water Resources Board application requirements
Current passing score for each category
- Oklahoma Employment Security Commission occupations handbook
2018 handbook, drilling examination title, pages 277
- Oklahoma Water Resources Board application requirements
Current category application and separate category score
- Oklahoma Water Resources Board Well Driller Licensing fact sheet
Applying for an Operator Certificate: final testing paragraph
Heat Exchange Well Driller Examination
- Provider
- Oklahoma Water Resources Board
- Format
- Written
- Passing score
- 70%
- Exam fee
- $50 testing fee
Examination outline
- Oklahoma Water Resources Board rules and regulations
- General drilling knowledge of heat exchange wells
- Plotting legal location of well
Examination sources
- Oklahoma Employment Security Commission occupations handbook
2018 handbook, Heat Exchange Well Driller Examination, description, pages 278-279
- 82 O.S. section 1020.16, version in force before November 1, 2026; OSCN expressly identifies its supersession date
82 O.S. section 1020.16(B)(1): shared drilling content requirement
- Oklahoma Employment Security Commission occupations handbook
2018 handbook, Heat Exchange Well Driller Examination, passing criteria, pages 278-279
- Oklahoma Water Resources Board application requirements
Current passing score for each category
- Oklahoma Employment Security Commission occupations handbook
2018 handbook, drilling examination title, pages 278-279
- Oklahoma Water Resources Board application requirements
Current category application and separate category score
- Oklahoma Water Resources Board Well Driller Licensing fact sheet
Applying for an Operator Certificate: final testing paragraph
Monitoring Well Drilling and Geotechnical Boring Examination
- Provider
- Oklahoma Water Resources Board
- Format
- Written
- Passing score
- 70%
- Exam fee
- $50 testing fee
Examination outline
- Oklahoma Water Resources Board rules and regulations
- General monitoring well or geotechnical drilling knowledge
- Plotting legal location of well
Examination sources
- Oklahoma Employment Security Commission occupations handbook
2018 handbook, Monitoring Well Drilling and Geotechnical Boring Examination, description, pages 283
- 82 O.S. section 1020.16, version in force before November 1, 2026; OSCN expressly identifies its supersession date
82 O.S. section 1020.16(B)(1): shared drilling content requirement
- Oklahoma Employment Security Commission occupations handbook
2018 handbook, Monitoring Well Drilling and Geotechnical Boring Examination, passing criteria, pages 283
- Oklahoma Water Resources Board application requirements
Current passing score for each category
- Oklahoma Employment Security Commission occupations handbook
2018 handbook, drilling examination title, pages 283
- Oklahoma Water Resources Board application requirements
Current category application and separate category score
- Oklahoma Water Resources Board Well Driller Licensing fact sheet
Applying for an Operator Certificate: final testing paragraph