← 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
1993-02-2240915542-507-32471PICKENS RANCH #3COLUMBIA GAS DEVELOPMENT CORP.DRILL7,000Y
1993-02-2240902242-507-32469CHITTIM #1GENESIS PRODUCING COMPANYDRILL2,700
1993-02-2240902242-507-32469CHITTIM #1GENESIS PRODUCING COMPANYDRILL2,700
1993-02-2240902142-507-32468PRYOR, K. #1GENESIS PRODUCING COMPANYDRILL3,000
1993-02-2240902142-507-32468PRYOR, K. #1GENESIS PRODUCING COMPANYDRILL3,000
1993-02-1240898742-507-32467PRYOR RANCH #192WINN EXPLORATION CO., INC.DRILL3,000
1993-02-1240897642-507-30460BOOTH, L.W. #4ORYX ENERGY COMPANYRECOMP8,800Y
1993-02-0540880342-507-31215BIG WELLS (SAN MIGUEL) UNIT #0303ORYX ENERGY COMPANYRECOMP7,000
1993-02-0240842042-507-00370NORTHEASTERN FARMING CO. #2S & L OIL FIELD SERVICESRENTR3,545
1993-01-2940861142-507-32080MANGUM, ET.AL. #1BRIDGER OIL INC.RECOMP3,596
1993-01-2040804742-507-32466LEE RANCH #C043E-COR, INC.DRILL1,500
1992-12-2940774942-507-32465BUCHANAN, J.F. -A- #3ORYX ENERGY COMPANYDRILL6,299Y
1992-12-2340762742-507-32464LAISTER, HUBERT -A- #2ORYX ENERGY COMPANYDRILL6,743Y
1992-12-1740737442-507-31627LASITER, M.L. #13ORYX ENERGY COMPANYRECOMP6,510
1992-11-2040640642-507-32271GLASSCOCK, LETA #12WINN EXPLORATION CO., INC.OTHER7,000Y
1992-11-0240551942-507-32463GLASSCOCK, LETA #31WINN EXPLORATION CO., INC.DRILL7,000Y
1992-10-3040550242-507-32323LETA GLASSCOCK #25WINN EXPLORATION CO., INC.RECOMP6,400Y
1992-10-2740527242-507-32322GLASSCOCK, LETA #23WINN EXPLORATION CO., INC.RECOMP7,000Y
1992-10-0240404442-507-00748CHAPPAROSA RANCH #23QUATRO OIL AND GAS, INC.RENTR2,000
1992-10-0140412542-507-32335GLASSCOCK, LETA #28WINN EXPLORATION CO., INC.RECOMP6,800Y
1992-09-1440239842-507-80278I.T. PRYOR - WARD BOX #1OXSON CO.RECOMP3,500
1992-08-3140293442-507-32462OPPENHEIMER #1MORTIMER EXPLORATION COMPANYDRILL2,850
1992-08-3140293442-507-32462OPPENHEIMER #1MORTIMER EXPLORATION COMPANYDRILL2,850
1992-08-2540273442-507-32409BAGGETT, JOHN B. "A" #5ORYX ENERGY COMPANYRECOMP6,791Y
1992-08-1740171042-507-32461RECTIFIER #UV-10 #37VALERO TRANSMISSION, L. P.DRILL350
1992-08-0740209342-507-32333BRISCOE-PETTY #2UNION PACIFIC RESOURCES COMPANYRECOMP10,800Y
1992-08-0440201742-507-32460LASITER-WOOD ET AL UNIT #1ORYX ENERGY COMPANYDRILL6,395Y
1992-07-2740139042-507-32459BRISCOE RANCH #1051SPILLER, ROBERT S.DRILL1,600
1992-07-1440099442-507-32455PICKENS RANCH #1HCOLUMBIA GAS DEVELOPMENT CORP.DRILL7,000Y
1992-07-1340117242-507-30955LASATER, M.L. #9ORYX ENERGY COMPANYRECOMP6,788Y
1992-07-1340117142-507-32458BOOTH, LLOYD W. #3ORYX ENERGY COMPANYDRILL6,555Y
1992-07-1340117042-507-32456BUCHANAN, J.F. -A- #2ORYX ENERGY COMPANYDRILL6,463Y
1992-07-1340117042-507-32456BUCHANAN, J.F. -A- #2ORYX ENERGY COMPANYDRILL6,463Y
1992-07-1340117042-507-32456BUCHANAN, J.F. -A- #2ORYX ENERGY COMPANYDRILL6,535Y
1992-06-2940048742-507-32454LYNDEN #1F & M OIL & GAS COMPANYDRILL4,800
1992-06-1840033542-507-32453PRYOR, I. T. #1GENESIS PRODUCING COMPANYDRILL3,000
1992-06-0940005142-507-32452CHAPARROSA #1GENESIS PRODUCING COMPANYDRILL2,500
1992-05-2939976542-507-32397LITTLE-BRISCOE-PETTY UNIT #1UNION PACIFIC RESOURCES COMPANYRENTR10,000Y
1992-05-1939945542-507-32451JOHNSON, M. #1WINN EXPLORATION CO., INC.DRILL4,500
1992-05-0839908842-507-32309BRISCOE-PETTY #1UNION PACIFIC RESOURCES COMPANYRECOMP9,950Y
1992-04-2239864042-507-32450LASATER, M. L. #6ORYX ENERGY COMPANYDRILL9,223Y
1992-04-2239861242-507-32449BRISCOE RANCH #2030SPILLER, ROBERT S.DRILL1,800
1992-04-2139484942-507-32157CAID #1WILLIAMSON DRILLING CO., INC.OTHER2,000
1992-04-1539843942-507-32448BRISCOE RANCH #1023SPILLER, ROBERT S.DRILL2,000
1992-04-1539843942-507-32448BRISCOE RANCH #1023SPILLER, ROBERT S.DRILL2,000
1992-04-0639804442-507-32447MILBY #1 AGENESIS PRODUCING COMPANYDRILL2,500
1992-03-3139795242-507-32446MILBY #4GENESIS PRODUCING COMPANYDRILL2,500
1992-03-3139795242-507-32446MILBY #4GENESIS PRODUCING COMPANYDRILL2,200
1992-03-2339769042-507-32258MAJESTIC-LANG #1MAJESTIC PETROLEUM CORPORATIONRECOMP6,777Y
1992-02-2739701342-507-32333BRISCOE-PETTY #2UNION PACIFIC RESOURCES COMPANYRECOMP10,300
page 34 of 72
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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Zavala County.