← 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
1984-03-0923187142-507-32038HOWELL, HAYNES A. #1WILLIAMSON DRILLING CO., INC.DRILL2,000
1984-03-0923187042-507-32037BRETZKE, C. W. #1WILLIAMSON DRILLING CO., INC.DRILL1,500
1984-03-0823191442-507-31295PRYOR, IKE T. -D- #1MATZINGER PETROLEUM CORECOMP2,350
1984-03-0723152442-507-32036WITHERSPOON #2BURK ROYALTY COMPANYDRILL3,100
1984-03-0623144242-507-30865BARNHART CO.-THOMPSON, HARRY F. #111CHAMPLIN PETROLEUM CO.RECOMP7,454
1984-03-0623144442-507-30920BARNHART CO.-THOMPSON, HARRY F. #120CHAMPLIN PETROLEUM CO.RECOMP7,060
1984-02-2423051942-507-32035WEBER, L. G. #3BURK ROYALTY COMPANYDRILL3,150
1984-02-2323043842-507-32034DUBE #2WOODHAM OIL CORPORATIONDRILL4,000
1984-02-2123011442-507-32033LEE RANCH #I071E-COR, INC.DRILL1,700
1984-02-2123005442-507-32032HUCKLEBRIDGE #1R H ENERGY, INC.DRILL2,600
1984-02-1722973642-507-32031CASSIN, WILLIAM "A" #1STRINGER OIL & GAS CO., INC.DRILL3,300
1984-02-1522971142-507-32030DUBE #1WOODHAM OIL CORPORATIONDRILL4,600
1984-02-1422940342-507-32029BASS GAS UNIT #1MATZINGER PETROLEUM CODRILL1,500
1984-01-2022685842-507-30470BIG WELLS (SAN MIGUEL) UNIT #202SUN EXPL. & PROD. CO.-CORPUSRECOMP7,207
1984-01-1722676442-507-32027LYLES RANCH #1AROME EXPLORATION CO, INC.DRILL6,200
1984-01-1722685642-507-32028PRYOR RANCH #24WINN EXPLORATION/DULCE COMPANYDRILL2,705
1984-01-0922621242-507-32026PRYOR-NELSON #1MATZINGER PETROLEUM CODRILL1,500
1983-12-3022644542-507-31119SMYTH #9WINN EXPLORATION/DULCE COMPANYRECOMP2,250
1983-12-2922507142-507-32025NORTON, ET AL #205JENNINGS EXPLORATION CO.DRILL4,000
1983-12-2922500342-507-31173JACKSON #3WINN EXPLORATION/DULCE COMPANYRECOMP2,362
1983-12-2822473342-507-30018EVCO-PAYSINGER #1WOODHAM CORPORATIONOTHER4,010
1983-12-2222582242-507-32024B. M. WHITE GAS UNIT #1SPILLER, J.A.DRILL1,400
1983-12-2222436242-507-32022HENDERSON LTM ENTERPRISES, INC. #2JENNINGS EXPLORATION CO.DRILL4,000
1983-12-2122436342-507-32023NORTON, ET AL #105JENNINGS EXPLORATION CO.DRILL4,000
1983-12-2022404042-507-32021H & F PROPERTIES "33" #2JENNINGS EXPLORATION CO.DRILL4,200
1983-12-1622412142-507-32018WILLOUGHBY, R. B. #8DINERO OIL CORPORATIONDRILL3,500
1983-12-0222232742-507-31964MATTHEWS, J. L. #101ZAVALA ENERGY, INC.DRILL6,500
1983-12-0122230442-507-32016LEE RANCH #F0101E-COR, INC.DRILL900
1983-11-2222145442-507-31303WILLOUGHBY, R. B. #3DINERO OIL CORPORATIONRECOMP3,200
1983-11-2222140942-507-32015ATWOOD, KIRBY #3MUELLER ENGINEERING CORP.DRILL2,700
1983-11-1722334242-507-32014H & F PROPERTIES "E" #10JENNINGS EXPLORATION CO.DRILL3,900
1983-11-1722334342-507-32013H & F PROPERTIES "CE" #7JENNINGS EXPLORATION CO.DRILL3,900
1983-11-1624055342-507-31987SLOVAK-FROST BANK TRUST UNIT #1STRINGER OIL & GASDRILL3,300
1983-11-1022034542-507-32012PRYOR, IKE T. JR. #37EXXON CORP.DRILL3,400
1983-11-1022034442-507-32011PRYOR, IKE T. JR. #36EXXON CORP.DRILL3,400
1983-11-0822010742-507-32010KOWERT #1TAYLOR, M. W. INC.DRILL5,000
1983-11-0422002542-507-32009NORTON, R. W. #1502WEEKS EXPLORATION COMPANYDRILL3,500
1983-10-2721901742-507-32005MATTHEWS, JOSEPH L. #P6CZAVALA ENERGY, INC.DRILL2,500
1983-10-2621886142-507-32110NORTON, R. W. #103WEEKS EXPLORATION COMPANYDRILL2,500
1983-10-2621886042-507-32007NORTON, R. W. #102WEEKS EXPLORATION COMPANYDRILL2,500
1983-10-2621885842-507-32006NORTON, R. W. #101WEEKS EXPLORATION COMPANYDRILL2,500
1983-10-2121827542-507-32004LYLES RANCH #17ROME EXPLORATION CO, INC.DRILL1,000
1983-10-1921764942-507-32002GRELLE, OMER #1MUELLER ENGINEERING CORP.DRILL2,100
1983-10-1921771242-507-32003PRYOR-NELSON J #1MATZINGER PETROLEUM CODRILL1,500
1983-10-1321708442-507-32001WALKER, DALE #1VAUGHAN, BEN F. IIIDRILL4,500
1983-10-1121685842-507-80272PRYOR RANCH #8FWINN EXPLORATION/DULCE COMPANYOTHER2,800
1983-10-0421627442-507-32000WHITE, CAROL #1TUBULAR-WELLHEAD SERVICES, INC.DRILL3,700
1983-10-0321874242-507-31998MATTHEWS RANCH #PC4TEXAS EASTERN DEVELOPMENTS, INC.DRILL3,075
1983-10-0321597442-507-31999GLASSCOCK, LETA #9WINN EXPLORATION/DULCE COMPANYDRILL7,000
1983-09-2921537642-507-31997PRYOR 33 #1MATZINGER PETROLEUM CODRILL2,600
page 47 of 72
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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Zavala County.