← Frio County

Frio County Drilling Permits

Every permit issued by the Texas Railroad Commission in Frio County — updated daily, data through 2026-09-11.

Frio County permitting is running 7.0 permits a month over the trailing 90 days (21 total, level with the prior quarter). 2 were issued in the past week. FORMENTERA OPERATIONS LLC leads with 46 permits in the past 12 months, one of 7 operators active in the county.

Last 30 Days

8

Operators (30d)

2

Latest Permit

2026-09-11

All Time

4,301

4,301 permits
ISSUEDPERMITAPILEASEOPERATORTYPEDEPTHHZ
1986-01-3129685142-163-32481BIG FOOT OLMOS B SAND UNIT #344ASHELL WESTERN E&P INC.DRILL4,000
1986-01-3029655042-163-32478BIG FOOT OLMOS B SAND UNIT #406ASHELL WESTERN E&P INC.DRILL4,000
1986-01-2829635842-163-32477SHINER HEIRS #4WILLIAMS, CLAYTON W., JR., INC.DRILL7,800
1986-01-2329601142-163-32474BIG FOOT OLMOS B SAND UNIT #97ASHELL WESTERN E&P INC.DRILL4,000
1986-01-2329601442-163-32475BIG FOOT OLMOS B SAND UNIT #311ASHELL WESTERN E&P INC.DRILL4,000
1986-01-2329601942-163-32476BIG FOOT OLMOS B SAND UNIT #376ASHELL WESTERN E&P INC.DRILL4,000
1986-01-1429532242-163-32473SHINER HEIRS "C" #1WILLIAMS, CLAYTON W., JR., INC.DRILL8,000
1986-01-0829468642-163-00143BOHL, ANNIE #1DIAMOND SHAMROCK EXPLORATION CO.RECOMP3,650
1985-12-3029373642-163-32472BROWN, CHARLES F. #1COLSTAR PETROLEUM, CORP.DRILL3,750
1985-12-1229273142-163-32471ROSENAUER, MATTIE #11SHELL WESTERN E&P INC.DRILL4,000
1985-12-1229273042-163-32470THOMPSON, DENNIS #12SHELL WESTERN E&P INC.DRILL4,000
1985-12-1229271742-163-32469ROSENAUER, MATTIE #12SHELL WESTERN E&P INC.DRILL4,000
1985-12-1029237942-163-32468ROSENAUER, MATTIE #15SHELL WESTERN E&P INC.DRILL4,000
1985-12-0929206742-163-32467BROWNE, M. L. #1BSOUTHPORT EXPLORATION INC.DRILL3,350
1985-12-0429170942-163-32466MCKINLEY, W. W. "C" #1FOX & HOLLAND, LTD.DRILL6,500
1985-11-2729117442-163-32463ROSENAUER, MATTIE #14SHELL WESTERN E&P INC.DRILL4,000
1985-11-2629112042-163-32457BIG FOOT OLMOS B SAND UNIT #411 ASHELL WESTERN E&P INC.DRILL4,000
1985-11-2529098942-163-32456BIG FOOT OLMOS B SAND UNIT #409ASHELL WESTERN E&P INC.DRILL4,000
1985-11-2229117042-163-32462THOMPSON, DENNIS #13SHELL WESTERN E&P INC.DRILL4,000
1985-11-2229116842-163-32461ROSENAUER, MATTIE #9SHELL WESTERN E&P INC.DRILL4,000
1985-11-2229119842-163-32465ROSENAUER, MATTIE #16SHELL WESTERN E&P INC.DRILL4,000
1985-11-2229116742-163-32460ROSENAUER, MATTIE #10SHELL WESTERN E&P INC.DRILL4,000
1985-11-2229118142-163-32464ROSENAUER, MATTIE #13SHELL WESTERN E&P INC.DRILL4,000
1985-11-2229112142-163-32458THOMPSON, C. S. -A- #17SHELL WESTERN E&P INC.DRILL4,000
1985-11-2229112242-163-32459THOMPSON, C. S. -A- #18SHELL WESTERN E&P INC.DRILL4,000
1985-11-1929056542-163-32454"BULLY" #2MINERALS OF TEXAS, INC.DRILL6,000
1985-11-1929056842-163-32455"BULLY" 'A' #3MINERALS OF TEXAS, INC.DRILL6,000
1985-11-1829042742-163-32389ESCHENBURGH #1T E D ENTERPRISES, INC.OTHER3,500
1985-11-1529013542-163-32452TREVINO & SONS, INC. "A" #2ARROW PETROLEUM COMPANYDRILL5,900
1985-11-1429021742-163-32453FREEBORN "A" #1GLENCO OIL & GAS COMPANYDRILL8,000
1985-10-2828857542-163-32451SHINER HEIRS #3WILLIAMS, CLAYTON W., JR.DRILL7,800
1985-10-2528841542-163-32450KERR, JAMES LEE ET AL #1DEL PETROLEUM CORPORATIONDRILL4,000
1985-10-2328819542-163-32449FEE "B" #8RPANTHER HOLLOW RANCH, LTDDRILL7,000
1985-10-2128797342-163-32448DRISCOE #10AMID-TEXAS RESOURCES, INC.DRILL2,500
1985-10-1828782042-163-32447SHINER HEIRS "B" #1WILLIAMS, CLAYTON W., JR.DRILL7,800
1985-10-1128719042-163-32444FEE "B" #8PANTHER HOLLOW RANCH, LTDDRILL7,000
1985-10-1128719242-163-32445FEE "B" #9PANTHER HOLLOW RANCH, LTDDRILL7,000
1985-10-1128742542-163-32446SHAR-MAN - GILLIG #2BRONCO-MEDINA OIL CO., INC.DRILL3,000
1985-10-0928693842-163-32443TREVINO & SONS INC. "A" #1ARROW PETROLEUM COMPANYDRILL5,900
1985-10-0828685742-163-32442SHINER HEIRS "A" #1WILLIAMS, CLAYTON W., JR.DRILL8,000
1985-10-0828690342-163-01747ROCHE, LUCY #1SHELL WESTERN E&P INC.OTHER3,556
1985-10-0828690442-163-00262BURNS, JANE -A- #12SHELL WESTERN E&P INC.OTHER3,784
1985-10-0428672642-163-32441FRIO OLMOS "B" UNIT #1018DIAMOND SHAMROCK EXPLORATION CO.DRILL3,600
1985-10-0428672642-163-32441OLMOS "B" UNIT #1018DIAMOND SHAMROCK EXPLORATION CO.DRILL3,600
1985-09-2528578642-163-32440BEEVER, CHARLES A. SR. #1FOX AND HOLLANDDRILL4,200
1985-09-2528563142-163-32439SCHNEIDER UNIT #1DELCAR, INC.DRILL3,300
1985-09-1928549742-163-00246BURNS, JANE "C" #5SHELL WESTERN E&P INC.OTHER3,460
1985-09-1828520842-163-32438ARCHER "A" #3SEEKER OIL COMPANY, INCORPORATEDDRILL3,100
1985-09-0928446742-163-32437ALANIS, A A #1CUDE, JAMES W. OILDRILL3,200
1985-09-0328416342-163-32436HUMBLE-MCLEAN #1SHAWNEE OPERATING COMPANYDRILL3,700
page 63 of 87
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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Frio County.