← Zavala County

Zavala County Drilling Permits

Every permit issued by the Texas Railroad Commission in Zavala County — updated daily, data through 2026-07-10.

Zavala County permitting is running 3.3 permits a month over the trailing 90 days (10 total, versus 6 in the prior quarter). CML EXPLORATION, LLC leads with 7 permits in the past 12 months, one of 6 operators active in the county.

Last 30 Days

1

Operators (30d)

1

Latest Permit

2026-07-10

All Time

3,561

3,561 permits
ISSUEDPERMITAPILEASEOPERATORTYPEDEPTHHZ
1990-01-2236889942-507-32281GEORGE, BARTON O. JR. #1ORYX ENERGY COMPANYDRILL9,700Y
1990-01-2236889942-507-32281BURTON, GEORGE O.,JR. #1ORYX ENERGY COMPANYDRILL9,975Y
1990-01-2236888342-507-32280CARDWELL, A. #1DIAMOND PETROLEUMDRILL9,500
1990-01-1736858542-507-32279LITTLE 162 #1HWOLVERINE EXPLORATION COMPANYDRILL7,000Y
1990-01-0836839842-507-32278BASIN-BONNIE #1BASIN RESOURCES CORPORATIONDRILL7,777Y
1990-01-0536832642-507-32277HALEY, C. R. #1ORYX ENERGY COMPANYDRILL10,400Y
1990-01-0536828042-507-32276KRAWETZ, A. "15" #2HPRODUCERS ENGINEERING COMPANYDRILL8,000Y
1989-12-2936814042-507-32275GLASSCOCK, LETA #13WINN EXPLORATION CO., INC.DRILL6,800Y
1989-12-2936814042-507-32275GLASSCOCK, LETA #13WINN EXPLORATION CO., INC.OTHER9,000Y
1989-12-2936814042-507-32275GLASSCOCK, LETA #13WINN EXPLORATION CO., INC.OTHER6,790
1989-12-2936809842-507-32274KRAWETZ "A" #1CACHARA OIL & GAS CO.DRILL7,800Y
1989-12-2936809842-507-32274KRAWETZ "A" #1CACHARA OIL & GAS CO.DRILL9,500Y
1989-12-1336762642-507-32273LASATER, M. L. #5ORYX ENERGY COMPANYDRILL9,800Y
1989-12-0436534342-507-32264MATTHEWS MINERAL ACCOUNT #3011UVALDE ENERGY CO.DRILL2,200
1989-12-0436534242-507-32265MATTHEWS MINERAL ACCOUNT #106UVALDE ENERGY CO.DRILL2,200
1989-12-0136712642-507-32272BASIN-14 #2BASIN RESOURCES CORPORATIONDRILL7,777Y
1989-11-3036628142-507-00623MILLER-WAGNER #1211CARDIN, M. O.RENTR5,300
1989-11-2236687142-507-32271GLASSCOCK, LETA #12WINN EXPLORATION CO., INC.DRILL7,000Y
1989-11-1636658842-507-32270LASATER, M. L. #3ORYX ENERGY COMPANYDRILL9,900Y
1989-11-1636653742-507-32269BASIN-200 #1BASIN RESOURCES CORPORATIONDRILL7,777Y
1989-11-0936621042-507-32268PRYOR RANCH #190WINN EXPLORATION/DULCE COMPANYDRILL3,100
1989-10-2736568542-507-32267BASIN-SCOTTY #1BASIN RESOURCES CORPORATIONOTHER7,777Y
1989-10-2736568542-507-32267BASIN-SCOTTY #1BASIN RESOURCES CORPORATIONOTHER7,777Y
1989-10-2536561642-507-32266MAJESTIC-LANG "A" #2MAJESTIC PETROLEUM CORPORATIONDRILL7,777Y
1989-10-1736524242-507-32263BASIN-LANG #1BASIN RESOURCES CORPORATIONDRILL7,777Y
1989-10-1236510242-507-32262HARDY #12CHRISTICO PETROLEUM COMPANYDRILL7,300Y
1989-10-0236444242-507-31200PRYOR RANCH #14WINN EXPLORATION/DULCE COMPANYRECOMP3,090
1989-08-2936333742-507-32261JONES, E. B. -D- #3ORYX ENERGY COMPANYDRILL9,500Y
1989-08-2936333642-507-32260E. B. JONES -D- #2ORYX ENERGY COMPANYDRILL9,500Y
1989-08-2936333542-507-32259E. B. JONES #2ORYX ENERGY COMPANYDRILL9,500Y
1989-08-2836331042-507-32258MAJESTIC - LANG #1MAJESTIC PETROLEUM CORPORATIONOTHER7,777Y
1989-08-1136267542-507-32257HEITZ, B. M. #1ORYX ENERGY COMPANYDRILL9,200Y
1989-08-1136239742-507-31794PRYOR RANCH #115WINN EXPLORATION/DULCE COMPANYRECOMP3,185
1989-08-0936215642-507-32256LYLES RANCH #25ROME EXPLORATION CO, INC.DRILL1,200
1989-08-0836232942-507-32204CORNELISON #1MATZINGER PETROLEUM CORECOMP1,600
1989-08-0736231942-507-31213PRYOR RANCH #25WINN EXPLORATION/DULCE COMPANYRECOMP3,120
1989-08-0736231842-507-31800PRYOR RANCH #131WINN EXPLORATION/DULCE COMPANYRECOMP3,170
1989-08-0336233242-507-32057GLASSCOCK, LETA #10WINN EXPLORATION CO., INC.RECOMP6,600
1989-08-0336233242-507-32057GLASSCOCK, LETA #10WINN EXPLORATION CO., INC.RECOMP6,632Y
1989-08-0236214442-507-31731PRYOR RANCH #87WINN EXPLORATION/DULCE COMPANYRECOMP3,030
1989-08-0236214342-507-31803PRYOR RANCH #125WINN EXPLORATION/DULCE COMPANYRECOMP3,023
1989-07-2636197842-507-32255MATTHEWS MINERAL ACCOUNT #403SCOTT, TRAVIS & JOHN WILLIAMSONDRILL2,000
1989-07-1836152542-507-31854PRYOR RANCH #160WINN EXPLORATION/DULCE COMPANYRECOMP2,602
1989-07-1836152442-507-31952GLASSCOCK, LETA #4WINN EXPLORATION/DULCE COMPANYRECOMP5,456
1989-07-1336117642-507-32254MATTHEWS MINERAL ACCOUNT #5017SCOTT, TRAVIS & JOHN WILLIAMSONDRILL2,000
1989-07-1336109942-507-32253MATTHEWS MINERAL ACCOUNT #6010SCOTT, TRAVIS & JOHN WILLIAMSONDRILL2,000
1989-06-2036050442-507-32252MATTHEWS MINERALS ACCT. #1016SCOTT, TRAVIS & JOHN WILLIAMSONDRILL2,000
1989-06-0635998442-507-32251BRISCOE RANCH #4049SPILLER, ROBERT S.DRILL1,700
1989-06-0635998342-507-32250BRISCOE RANCH #3049SPILLER, ROBERT S.DRILL1,700
1989-06-0635998242-507-32249BRISCOE RANCH #2049SPILLER, ROBERT S.DRILL1,700
page 40 of 72
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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Zavala County.