← 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
1983-05-1119448242-507-31955ROSENBERG, A. VON #2DINERO OIL CORPORATIONDRILL3,300
1983-05-0219316342-507-31952GLASSCOCK, LETA #4WINN EXPLORATION/DULCE COMPANYDRILL6,500
1983-04-2819278642-507-31951EARNEST, W.A. #2805LADD PETROLEUM CORP.DRILL7,000
1983-04-2719470742-507-31957PRYOR RANCH #179WINN EXPLORATION/DULCE COMPANYDRILL3,100
1983-04-2619852642-507-31953LYLES RANCH #15ROME EXPLORATION CO, INC.DRILL1,000
1983-04-2519241142-507-31947LYLES, LORA #2B-G OPERATING INC.DRILL1,000
1983-04-1919249742-507-31950HENDERSON LTM ENTERPRISES #1RIO DE ORO OIL & GAS CORP.DRILL3,800
1983-04-1420068642-507-31977KIEFER, CHESTER #2ROME EXPLORATION CO, INC.DRILL1,000
1983-04-0819112442-507-31940JESSEE #2WOODHAM OIL CORPORATIONDRILL2,727
1983-04-0719186842-507-31944PRYOR RANCH #177WINN EXPLORATION/DULCE COMPANYDRILL3,050
1983-04-0719101242-507-31939HUCKLEBRIDGE #1RETAMCO, INCDRILL2,300
1983-04-0719078342-507-31937H&F PROPERTIES SECTION 24 #2ROME EXPLORATION CO, INC.DRILL3,800
1983-04-0719077542-507-31936LYLES, LORA #1B-G OPERATING INC.DRILL1,100
1983-04-0619062642-507-31934WATKINS #1RETAMCO, INCDRILL1,200
1983-04-0519241242-507-31948LYLES, LORA #3B-G OPERATING INC.DRILL800
1983-04-0519187942-507-31945WHITE, CARROL #3KP EXPLORATION, INC.DRILL3,000
1983-04-0119188542-507-31946PRYOR RANCH #175WINN EXPLORATION/DULCE COMPANYDRILL3,005
1983-03-3119053442-507-31932CARR, NICK #1VAUGHAN, BEN F. IIIDRILL4,500
1983-03-2819084942-507-31938SMYTH UNIT #1RETAMCO, INCDRILL1,570
1983-03-2819063342-507-31935PRYOR RANCH #173WINN EXPLORATION/DULCE COMPANYDRILL3,275
1983-03-2419174642-507-31943PRYOR RANCH #171WINN EXPLORATION/DULCE COMPANYDRILL3,000
1983-03-2118995442-507-31352WILLOUGHBY, R. B. #5DINERO OIL COMPANYDRILL3,400
1983-03-1819045542-507-31931PRYOR RANCH #169WINN EXPLORATION/DULCE COMPANYDRILL3,200
1983-03-1618874042-507-31925GRELLE, O.L. ET AL #3SPILLER, J.A.DRILL1,736
1983-03-1519143542-507-31942JESSEE #1WOODHAM OIL CORPORATIONDRILL3,500
1983-03-0918788742-507-31926J.P.S. GRIFFITH UNIT #1EUROPEAN-SOUTHWEST CO.DRILL4,537
1983-03-0718761642-507-30340CHINN & ASHBY #1EXXON CORP.RECOMP6,800
1983-03-0118732142-507-31923VON ROSENBERG, A. #1DINERO OIL CORPORATIONDRILL3,450
1983-02-2818858842-507-31929PRYOR RANCH #163WINN EXPLORATION/DULCE COMPANYDRILL3,300
1983-02-2818858742-507-31928ATWOOD #2WOODHAM OIL CORPORATIONDRILL3,500
1983-02-2218849142-507-31927PRYOR RANCH #180WINN EXPLORATION/DULCE COMPANYDRILL3,335
1983-02-2218714042-507-31882H & F PROPERTIES "34" #1JENNINGS EXPLORATION CO.DRILL4,600
1983-02-1618742242-507-31924GARNER, JOHN N. #7CONVEST ENERGY CORPORATIONDRILL7,350
1983-02-1518614642-507-31238PRYOR, IKE T. 'B' #4MATZINGER PETROLEUM CORECOMP3,000
1983-02-1518602942-507-31921MAYFIELD, CHARLES #1SPILLER, J.A.DRILL2,000
1983-02-1418587042-507-31920PRYOR RANCH #157WINN EXPLORATION/DULCE COMPANYDRILL3,100
1983-02-1118574942-507-31919WILLOUGHBY 'B' #2DINERO OIL CORPORATIONDRILL4,000
1983-02-1118572442-507-31907LYLES RANCH #14ROME EXPLORATION CO, INC.DRILL1,000
1983-02-1018561042-507-31917PRYOR RANCH #196WINN EXPLORATION/DULCE COMPANYDRILL3,400
1983-02-1018560842-507-31916PRYOR RANCH #198WINN EXPLORATION/DULCE COMPANYDRILL3,400
1983-02-1018560642-507-31915PRYOR RANCH #200WINN EXPLORATION/DULCE COMPANYDRILL3,500
1983-02-1018560542-507-31914PRYOR RANCH #202WINN EXPLORATION/DULCE COMPANYDRILL3,500
1983-02-1018560342-507-31913PRYOR RANCH #204WINN EXPLORATION/DULCE COMPANYDRILL2,806
1983-02-1018559942-507-31912PRYOR RANCH #206WINN EXPLORATION/DULCE COMPANYDRILL2,800
1983-02-1018559842-507-31911PRYOR RANCH #212WINN EXPLORATION/DULCE COMPANYDRILL3,400
1983-02-0418558742-507-31910PRYOR RANCH #208WINN EXPLORATION/DULCE COMPANYDRILL2,787
1983-02-0418542442-507-31909PETERS #1 #1LOMA VERDE, INC.DRILL4,500
1983-01-3118486342-507-31904PRYOR RANCH #194WINN EXPLORATION/DULCE COMPANYDRILL2,880
1983-01-2818484442-507-31902BRICE, MARY M. "B" #4JENNINGS EXPLORATION CO.DRILL4,900
1983-01-2818461642-507-31900PRYOR RANCH #188WINN EXPLORATION/DULCE COMPANYDRILL3,400
page 49 of 72
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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Zavala County.