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

Operators (30d)

Latest Permit

2026-07-10

All Time

3,561

3,561 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
2022-06-01	880492	42-507-33461	WILSON-GATES-COGGINS-POWELL #1H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2022-05-23	879880	42-507-33460	JMH-RUBIES-POWELL ALLOC B #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2022-05-19	879876	42-507-33459	JMH-RUBIES-POWELL ALLOC A #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2022-05-06	879285	42-507-33456	GLASSCOCK ALLOCATION 3 #F125H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2022-05-06	879284	42-507-33455	GLASSCOCK ALLOCATION 2 #F124H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2022-05-06	879283	42-507-33454	GLASSCOCK ALLOCATION 1 #F123H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2022-04-29	879216	42-507-33458	GLASSCOCK RANCH C #107H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2022-04-29	879215	42-507-33457	GLASSCOCK RANCH C #106H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2022-04-29	879214	42-507-33453	GLASSCOCK RANCH C #105H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2022-04-08	878736	42-507-33452	TRAYLOR NORTH #F 1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2022-04-08	878716	42-507-33451	TRAYLOR NORTH #E 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2022-04-08	878714	42-507-33450	TRAYLOR NORTH #E 1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2022-02-16	876738	42-507-33449	JMH-RUBIES-POWELL ALLOC C #3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2022-02-16	876738	42-507-33449	JMH-RUBIES-POWELL ALLOC C #3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2022-02-10	876659	42-507-33448	COSMED UNIT ZAV B #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2022-02-10	876659	42-507-33448	COSMED UNIT ZAV B #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2022-02-10	875756	42-507-33442	BRICE UNIT ZAV A #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2022-01-31	876452	42-507-33347	STCH-JOHNSON #2H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2022-01-31	876452	42-507-33347	STCH-JOHNSON #2H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2022-01-31	876452	42-507-33347	STCH-JOHNSON #2H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2022-01-31	876423	42-507-33345	STCH-JOHNSON #1H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2022-01-31	876423	42-507-33345	STCH-JOHNSON #1H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2022-01-31	876423	42-507-33345	STCH-JOHNSON #1H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2022-01-31	876318	42-507-33447	COSMED UNIT ZAV A #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2022-01-13	875880	42-507-33445	CENIZO A #137H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2022-01-13	875879	42-507-33446	CENIZO A #136H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2022-01-13	875859	42-507-33444	CENIZO A #135H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2022-01-13	875857	42-507-33443	CENIZO A #134H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2021-12-30	875557	42-507-33441	BRICE UNIT ZAV B #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-12-30	875557	42-507-33441	BRICE UNIT ZAV B #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-12-30	875555	42-507-33440	BRICE UNIT ZAV C #3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-11-15	873803	42-507-33439	HOLDSWORTH-RUBIES ALLOC #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-11-15	873801	42-507-33438	POWELL UNIT ZAV B #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-11-15	873800	42-507-33437	TIDWELL UNIT ZAV C #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-11-15	873800	42-507-33437	TIDWELL UNIT ZAV C #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-09-30	873069	42-507-33436	PRIEST-TRINKLE #8H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2021-09-24	873040	42-507-33435	PRIEST-TRINKLE #7H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2021-07-19	870068	42-507-33428	HOLDSWORTH-KINAST ALLOC #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-06-30	870143	42-507-33434	COLEMAN-KINAST ALLOC B #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-06-30	870142	42-507-33433	COLEMAN-KINAST ALLOC A #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-06-25	870140	42-507-33432	COLEMAN TRAYLOR ALLOC C #3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-06-25	870137	42-507-33431	COLEMAN TRAYLOR ALLOC B #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-06-15	870136	42-507-33430	TIDWELL-TRAYLOR UNIT ZAV A #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-06-07	870134	42-507-33429	COLEMAN TRAYLOR UNIT ZAV A #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2021-04-20	869116	42-507-33220	HOWETT #18V	BUFFCO PRODUCTION INC.	RECOMP	7,100
2021-04-20	869116	42-507-33220	HOWETT #18V	BUFFCO PRODUCTION INC.	RECOMP	7,100
2021-03-26	868469	42-507-33427	RAB #1	CML EXPLORATION, LLC	DRILL	7,520	Y
2021-03-26	868469	42-507-33427	RAB #1	CML EXPLORATION, LLC	DRILL	7,520	Y
2021-03-26	868469	42-507-33427	RAB #1	CML EXPLORATION, LLC	DRILL	7,520	Y
2021-01-29	867269	42-507-33426	TIDWELL UNIT ZAV C #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y

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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Zavala County.