← 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
1982-10-2217518742-507-31803PRYOR RANCH #125WINN EXPLORATION/DULCE COMPANYDRILL3,069
1982-10-2217517942-507-31802PRYOR RANCH #127WINN EXPLORATION/DULCE COMPANYDRILL3,010
1982-10-2217515942-507-31801PRYOR RANCH #129WINN EXPLORATION/DULCE COMPANYDRILL3,195
1982-10-2217515742-507-31800PRYOR RANCH #131WINN EXPLORATION/DULCE COMPANYDRILL3,230
1982-10-2017666842-507-31809PRYOR RANCH #118WINN EXPLORATION/DULCE COMPANYDRILL2,780
1982-10-2017666742-507-31808PRYOR RANCH #116WINN EXPLORATION/DULCE COMPANYDRILL3,145
1982-10-2017509242-507-31799MATTHEWS #27-1OSBORNE OIL CO.DRILL4,500
1982-10-1417426242-507-31797H & F PROPERTIES "C" #6JENNINGS EXPLORATION CO.DRILL4,300
1982-10-1217405442-507-31795POWELL #1MARK IV ENERGYDRILL3,600
1982-10-1217405242-507-31794PRYOR RANCH #115WINN EXPLORATION/DULCE COMPANYDRILL3,210
1982-10-1217405142-507-31793PRYOR RANCH #109WINN EXPLORATION/DULCE COMPANYDRILL3,170
1982-10-1217404942-507-31792PRYOR RANCH #117WINN EXPLORATION/DULCE COMPANYDRILL3,360
1982-10-1217404442-507-31791PRYOR RANCH #107WINN EXPLORATION/DULCE COMPANYDRILL3,135
1982-10-1217404342-507-31790PRYOR RANCH #106WINN EXPLORATION/DULCE COMPANYDRILL3,178
1982-10-0817698142-507-31812PRYOR RANCH #121WINN EXPLORATION/DULCE COMPANYDRILL3,280
1982-10-0817428542-507-31798CHAPARROSA #10-1OSBORNE OIL CO.DRILL3,245
1982-10-0717377742-507-31788PRYOR-BRANSCOME "H" #3MATZINGER PETROLEUM CODRILL1,700
1982-10-0717377642-507-31787H & F PROPERTIES "35" #1JENNINGS EXPLORATION CO.DRILL4,800
1982-10-0617386542-507-31789PARSONS #1ROME EXPLORATION CO, INC.DRILL4,000
1982-10-0517375942-507-31786PRYOR RANCH #102WINN EXPLORATION/DULCE COMPANYDRILL3,040
1982-10-0517362142-507-31785LEE RANCH #D 41CRB OIL & GAS, INC.DRILL1,072
1982-10-0117337542-507-31782MATTFELDT, KIEFER #1-2SUNDOWN ENERGY COMPANY,INC.DRILL3,000
1982-09-2917355042-507-31783PRYOR RANCH #119WINN EXPLORATION/DULCE COMPANYDRILL3,135
1982-09-2917330442-507-31780PRYOR RANCH #113WINN EXPLORATION/DULCE COMPANYDRILL3,200
1982-09-2917328442-507-31779FOLEY, NORMENT #7PALMCO MANAGEMENT CO.DRILL3,400
1982-09-2917313742-507-31775JOHNSON, B. K. #20CHAPARROSA OIL COMPANYDRILL2,500
1982-09-2817355342-507-31784PRYOR RANCH #111WINN EXPLORATION/DULCE COMPANYDRILL3,185
1982-09-2817318842-507-31778PRYOR RANCH #108WINN EXPLORATION/DULCE COMPANYDRILL3,005
1982-09-2817318742-507-31777PRYOR RANCH #114WINN EXPLORATION/DULCE COMPANYDRILL3,010
1982-09-2817318542-507-31776PRYOR RANCH #112WINN EXPLORATION/DULCE COMPANYDRILL2,970
1982-09-2417423442-507-31796PRYOR RANCH #110WINN EXPLORATION/DULCE COMPANYDRILL2,875
1982-09-2317266842-507-31376H&F PROPERTIES "E" #3JENNINGS EXPLORATION CO.OTHER3,550
1982-09-2317266642-507-31774H&F PROPERTIES "E" #8JENNINGS EXPLORATION CO.DRILL4,000
1982-09-2117249342-507-31773PRYOR RANCH #94WINN EXPLORATION/DULCE COMPANYDRILL3,025
1982-09-1617208042-507-31772DENMAN, LEROY G. JR. #2GLENCO OIL & GAS COMPANYDRILL4,600
1982-09-1617207542-507-31769PRYOR RANCH #92WINN EXPLORATION/DULCE COMPANYDRILL3,095
1982-09-1617207042-507-31768PRYOR RANCH #101WINN EXPLORATION/DULCE COMPANYDRILL3,220
1982-09-1517196442-507-31766LEE RANCH #F081CRB OIL & GAS, INC.DRILL1,750
1982-09-1417567442-507-31805PRYOR #1WOODHAM CORPORATIONDRILL3,500
1982-09-1417334942-507-31781PRYOR RANCH #104WINN EXPLORATION/DULCE COMPANYDRILL2,847
1982-09-1417185342-507-31765MATHEWS, R. #11-12SUNDOWN ENERGY COMPANY,INC.DRILL3,500
1982-09-1417185242-507-31752MATHEWS, R. #12-1SUNDOWN ENERGY COMPANY,INC.DRILL3,500
1982-09-1417181542-507-31758PLUMLY, E. E. #9OMEGA MINERALS, INC.DRILL2,600
1982-09-1317182642-507-31762PRYOR RANCH #100WINN EXPLORATION/DULCE COMPANYDRILL2,885
1982-09-1317182542-507-31761PRYOR RANCH #98WINN EXPLORATION/DULCE COMPANYDRILL3,025
1982-09-1317182442-507-31760PRYOR RANCH #105WINN EXPLORATION/DULCE COMPANYDRILL3,120
1982-09-1317182142-507-31759PRYOR RANCH #103WINN EXPLORATION/DULCE COMPANYDRILL3,110
1982-09-1317171742-507-31757CROSS -S- RANCH SUBDIVISION #136-1KGMH CORPORATIONDRILL5,000
1982-09-1317171442-507-31756LEONA UNIT #1PETROLERO CORP.DRILL3,200
1982-09-0917183142-507-31763PRYOR RANCH #96WINN EXPLORATION/DULCE COMPANYDRILL2,985
page 52 of 72
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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Zavala County.