← 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
1989-05-1135915542-507-32248HOLDSWORTH, E. M. #1AMHERST EXPLORATION CO., INC.DRILL5,800
1989-05-1135915342-507-32247CRAWFORD, R. S. #1AMHERST EXPLORATION CO., INC.DRILL5,800
1989-05-0335672042-507-30992VESTRING, ET AL #1JENNINGS EXPLORATION CO.RECOMP3,626
1989-04-2035842642-507-32246LITTLE #1STRINGER OIL & GAS CO., INC.DRILL4,700
1989-04-2035842642-507-32246LITTLE #1STRINGER OIL & GAS CO., INC.DRILL5,500
1989-04-1935822742-507-31915PRYOR RANCH #200WINN EXPLORATION/DULCE COMPANYRECOMP2,756
1989-04-1935822642-507-31091SPILLAR #1AWINN EXPLORATION/DULCE COMPANYRECOMP1,768
1989-04-0735791542-507-32245JONES, E. B. -B- #3SUN EXPLORATION & PRODUCTION CO.DRILL7,255
1989-04-0735791542-507-32245JONES, E. B. -B- #3SUN EXPLORATION & PRODUCTION CO.DRILL8,900Y
1989-03-3035753242-507-31783PRYOR RANCH #119WINN EXPLORATION/DULCE COMPANYRECOMP3,007
1989-03-3035753242-507-31783PRYOR RANCH #119WINN EXPLORATION/DULCE COMPANYRECOMP3,007
1989-03-2835746942-507-00133WEST, G. W. #6TEXACO INC.RECOMP4,465
1989-03-1735717742-507-32244BRISCOE RANCH #2SPILLER, ROBERT S.DRILL1,300
1989-03-1735708342-507-31901PRYOR RANCH #184WINN EXPLORATION/DULCE COMPANYRECOMP2,712
1989-03-1535708542-507-32242LYLES, L. #24ROME EXPLORATION CO, INC.DRILL1,400
1989-03-1535708442-507-32243KIEFER, CHESTER #12ROME EXPLORATION CO, INC.DRILL1,200
1989-03-0335656442-507-31692PRYOR RANCH #65WINN EXPLORATION/DULCE COMPANYRECOMP2,945
1989-03-0335656442-507-31692PRYOR RANCH #65WINN EXPLORATION/DULCE COMPANYRECOMP2,945
1989-02-1535594742-507-31874PRYOR RANCH #161WINN EXPLORATION/DULCE COMPANYRECOMP3,068
1989-02-1335595542-507-32241ELIZABETH #1BENNETT, R. C., COMPANYDRILL4,200
1989-02-0735521542-507-32239KIEFER SECTION 2 #1WILLIAMSON OPERATING CO.DRILL2,200
1989-02-0735521442-507-32240KIEFER SECTION 4 #1WILLIAMSON OPERATING CO.DRILL2,200
1989-01-2435547742-507-32238TUCKNESS, SAM #1UNION PACIFIC RESOURCES COMPANYDRILL4,000
1989-01-1735523142-507-32237GRELLE, OMER LEE ET AL #1JB OIL & GAS WELL SERVICEDRILL2,300
1989-01-1235507642-507-32236MATTHEWS MINERAL ACCT. #1313SCOTT, TRAVIS & JOHN WILLIAMSONDRILL1,995
1988-12-2235458142-507-31915PRYOR RANCH #200WINN EXPLORATION/DULCE COMPANYRECOMP2,756
1988-12-2235458042-507-31916PRYOR RANCH #198WINN EXPLORATION/DULCE COMPANYRECOMP2,754
1988-12-2235457942-507-31659PRYOR RANCH #62WINN EXPLORATION/DULCE COMPANYRECOMP2,746
1988-12-2035442142-507-32235JONSSON-PERLITZ #1EGAN RESOURCES INC.DRILL2,800
1988-12-2035442042-507-32234JONSSON-PERLITZ #2EGAN RESOURCES INC.DRILL2,800
1988-11-2835359242-507-31142BRISCOE RANCH #1049SPILLER, ROBERT S.RENTR1,500
1988-11-2335361742-507-32233TUCKNESS, SUZANNE #2UNION PACIFIC RESOURCES COMPANYDRILL4,000
1988-11-1835253742-507-32232PRYOR-PICKENS #1WOOLEY EXPLORATION, INC.DRILL3,140
1988-11-1835253742-507-32232PRYOR-PICKENS #1WOOLEY EXPLORATION, INC.DRILL3,140
1988-11-0735257842-507-32231MATTHEWS MINERAL ACCT. #0303SCOTT, TRAVIS & JOHN WILLIAMSONDRILL1,900
1988-11-0235254942-507-32230MATTHEWS MINERAL ACCOUNT #029SCOTT, TRAVIS & JOHN WILLIAMSONDRILL2,500
1988-10-1435223842-507-32129KIEFER #2MCCORD EXPLORATION CO.RECOMP3,400
1988-09-1935126642-507-31584PRYOR RANCH #49WINN EXPLORATION/DULCE COMPANYRECOMP3,465
1988-09-0134687742-507-32222BARTLETT, ELIZ. "C" #1STRINGER OIL & GAS CO., INC.DRILL3,400
1988-08-3135073742-507-32229PICKENS, R. H. #2FAMCOR OIL, INCDRILL3,500
1988-08-2435031442-507-32228MATTHEWS MINERAL ACCT. #0114SCOTT, TRAVIS & JOHN WILLIAMSONDRILL2,500
1988-07-2234920242-507-32226MURPHY RANCH #1UNION PACIFIC RESOURCES COMPANYDRILL4,200
1988-07-2234920042-507-32227TUCKNESS, SUZANNE #1UNION PACIFIC RESOURCES COMPANYDRILL4,000
1988-07-2134919642-507-32225WARD, DOVENE #1D & V PETROLEUM CORPORATIONDRILL2,800
1988-07-1834887742-507-31190PRYOR RANCH #9WINN EXPLORATION/DULCE COMPANYRECOMP2,849
1988-07-1334869342-507-32224H & F PROPERTIES 38-37 #1JENNINGS EXPLORATION CO.DRILL3,200
1988-06-0834738342-507-31771PRYOR RANCH #97WINN EXPLORATION/DULCE COMPANYRECOMP2,990
1988-05-2734693242-507-32223MATTHEWS AGENCY ACCOUNT #1025WILLIAMSON OPERATING CO.DRILL2,400
1988-05-1634651442-507-32221WEST, G. W. #10TEXACO INC.DRILL4,700
1988-05-0534602842-507-31891PRYOR RANCH #167WINN EXPLORATION/DULCE COMPANYRECOMP3,070
page 41 of 72
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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Zavala County.