← 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
1988-05-0334586742-507-31838PRYOR RANCH #137WINN EXPLORATION/DULCE COMPANYRECOMP3,155
1988-04-2534529042-507-32220PICKENS, R. H. #1FAMCOR OIL, INCDRILL3,500
1988-04-1534483042-507-32219MATTHEWS MINERAL ACCOUNT #1WILLIAMSON OPERATING CO.DRILL2,400
1988-02-1634260942-507-31802PRYOR RANCH #127WINN EXPLORATION/DULCE COMPANYRECOMP2,941
1988-02-1634255542-507-31920PRYOR RANCH #157WINN EXPLORATION/DULCE COMPANYRECOMP3,051
1987-10-2033770942-507-32218KINCAID, E. D. JR. ET AL #1SPILLER, J.A.DRILL2,500
1987-10-1233727242-507-32217VAN CLEVE, D. F. #2TERNE PETROLEUM CORPORATIONDRILL2,900
1987-10-1233727142-507-32216VAN CLEVE, D. F. #1TERNE PETROLEUM CORPORATIONDRILL2,800
1987-09-2133607442-507-32215KIEFER, CHESTER #11ROME EXPLORATION CO, INC.DRILL1,500
1987-09-1833614742-507-30129GLASSCOCK, LETA J. #3WINN EXPLORATION/DULCE COMPANYRENTR6,012
1987-09-1633585142-507-31551PRYOR RANCH #45WINN EXPLORATION/DULCE COMPANYRECOMP3,017
1987-08-2433489042-507-32214VAN CLEVE, D. F. #4TERNE PETROLEUM CORPORATIONDRILL4,000
1987-08-2433489042-507-32214VAN CLEVE, D. F. #4TERNE PETROLEUM CORPORATIONDRILL4,000
1987-08-2033475742-507-31809PRYOR RANCH #118WINN EXPLORATION/DULCE COMPANYRECOMP2,780
1987-08-0633393442-507-32213KIEFER, CHESTER #1TIDELANDS OIL CORPORATIONDRILL3,000
1987-08-0633383642-507-32212VAN CLEVE, D. F. #5TERNE PETROLEUM CORPORATIONDRILL2,800
1987-07-2933370842-507-30989BAGGETT, JOHN B. #9SUN EXPL. & PROD. CO.-CORPUSOTHER7,430
1987-07-2933370842-507-30989BAGGETT, JOHN B. #9ORYX ENERGY COMPANYOTHER7,430Y
1987-07-2833345342-507-32211VAN CLEVE, D. F. #3TERNE PETROLEUM CORPORATIONDRILL3,800
1987-07-2833345342-507-32211VAN CLEVE, D. F. #3TERNE PETROLEUM CORPORATIONDRILL3,800
1987-07-2133324042-507-31172JACKSON #2WINN EXPLORATION/DULCE COMPANYRECOMP2,128
1987-07-1633300242-507-32210LINDSEY #1BRIDGER OIL INC.DRILL4,000
1987-06-1233149142-507-32209MILLS, J. T. SR., TRUST #1MATZINGER PETROLEUM CODRILL2,200
1987-06-1133122042-507-32131KIEFER #3MCCORD EXPLORATION CO.RECOMP2,970
1987-04-1532891642-507-32208HAGEN #2ROME EXPLORATION CO, INC.DRILL1,200
1987-04-0932883242-507-32207JLH LAND -A- #2AGEOLAND, INC.DRILL1,950
1987-03-1332742542-507-32206NORTON 90-2 #9002MANITOU EXPLORATION CO OF TX,INCDRILL2,900
1987-02-2032658142-507-32205KIEFER, CHESTER #10ROME EXPLORATION CO, INC.DRILL1,400
1987-02-2032658142-507-32205KIEFER, CHESTER #10ROME EXPLORATION CO, INC.DRILL1,400
1987-02-1032634942-507-32204CORNELISON #1MATZINGER PETROLEUM CODRILL1,900
1987-02-1032634942-507-32204CORNELISON #1MATZINGER PETROLEUM CODRILL1,900
1987-01-2832587842-507-32203CENTURY OIL & GAS #1WILLIAMSON DRILLING CO., INC.DRILL1,000
1987-01-2332557542-507-32202GRELLE "A" #1MUELLER ENGINEERING CORP.DRILL2,000
1986-12-3032493242-507-32201J. L. H. LAND #2GEOLAND, INC.DRILL2,150
1986-12-1832434042-507-32200MCGAUGHY #2MATZINGER PETROLEUM CODRILL2,600
1986-12-1032414842-507-00732PRYOR RANCH #1AWINN EXPLORATION/DULCE COMPANYRENTR2,450
1986-12-1032414742-507-31698PRYOR RANCH #75WINN EXPLORATION/DULCE COMPANYRENTR1,533
1986-12-1032414642-507-31189PRYOR RANCH #8WINN EXPLORATION/DULCE COMPANYRENTR3,050
1986-11-1232291942-507-32199BRADY, M. R. #1HEXAGON OIL AND GAS INC.DRILL4,200
1986-10-2832221342-507-31118JACKSON #5WINN EXPLORATION/DULCE COMPANYRECOMP2,050
1986-10-2832209042-507-30923JOHNSON, B. K. #6GRAHAM-MCCORMICK OPERATING PRTN.RECOMP2,312
1986-10-1032146342-507-31803PRYOR RANCH #125WINN EXPLORATION/DULCE COMPANYRECOMP3,023
1986-10-1032145942-507-31929PRYOR RANCH #163WINN EXPLORATION/DULCE COMPANYRECOMP3,172
1986-09-3032110342-507-32131KIEFER #3MCCORD EXPLORATION CO.RECOMP3,286
1986-08-0530490242-507-32198CROSS S RANCH SUBDV. #1MEAD, L. S. INC.DRILL4,400
1986-07-2530460442-507-32197PICKENS RANCH #4WINN EXPLORATION CO., INC.DRILL2,500
1986-07-1530412542-507-31556BARTLETT, ELIZABETH B #1PNG OPERATING COMPANYRECOMP3,307
1986-06-2630360742-507-31183PRYOR RANCH #2WINN EXPLORATION/DULCE COMPANYRECOMP2,724
1986-06-2530356542-507-32196EDWARDS -J.L.H. #1MATZINGER PETROLEUM CODRILL1,850
1986-06-2030342042-507-00274HOLDSWORTH, MARY #1MOBIL PRODUCING TX. & N.M. INC.RECOMP5,519
page 42 of 72
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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Zavala County.