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
2021-01-29	867268	42-507-33425	TRAYLOR SW ZAV A #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2020-12-17	866433	42-507-33424	PRIEST-TRINKLE #6H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2020-12-17	866408	42-507-33423	PRIEST-TRINKLE #5H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2020-09-15	864977	42-507-33422	CATHODIC PROTECTION #2030	WEST TEXAS GAS, INC.	DRILL	300
2020-08-06	864413	42-507-33421	CENIZO A #133H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-08-06	864412	42-507-33420	CENIZO A #132H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-08-06	864411	42-507-33419	CENIZO A #131H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-08-06	864410	42-507-33418	CENIZO A #127H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-08-06	864409	42-507-33417	CENIZO A #126H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-08-06	864408	42-507-33416	CENIZO A #125H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-03-20	862614	42-507-33415	TRAYLOR UNIT ZAV ALLOC #K 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2020-03-16	862476	42-507-32381	JOHNSON #3R	BUFFCO PRODUCTION INC.	RECOMP	9,000	Y
2020-03-10	862321	42-507-33412	TRAYLOR NORTH #H 1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2020-03-09	862612	42-507-33414	TRAYLOR NORTH #H 3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2020-03-09	862325	42-507-33413	TRAYLOR NORTH #H 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2020-02-24	862027	42-507-33411	POWELL-STCH JOHNSON #1H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2020-02-24	862027	42-507-33411	POWELL-STCH JOHNSON #1H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2020-02-20	861897	42-507-33410	TRAYLOR SOUTH ZAV #J 3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2020-02-20	861894	42-507-33409	TRAYLOR SOUTH ZAV #J 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2020-02-07	861654	42-507-33405	WALKER-COLEMAN ALLOC B #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2020-02-07	861649	42-507-33404	WALKER-COLEMAN ALLOC A #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2020-02-07	861515	42-507-33403	WALKER-HOLDSWORTH ZAV ALLOC #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2020-02-07	861155	42-507-33394	CENIZO B #105H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-02-07	861154	42-507-33393	CENIZO B #104H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-02-07	861149	42-507-33392	CENIZO A #103H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-02-07	861149	42-507-33392	CENIZO A #103H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-01-29	861334	42-507-33396	POWELL UNIT ZAV A #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2020-01-29	861156	42-507-33395	CENIZO B #106H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-01-29	861147	42-507-33391	CENIZO A #102H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-01-29	861147	42-507-33391	CENIZO A #102H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-01-29	861145	42-507-33390	CENIZO A #101H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-01-29	861145	42-507-33390	CENIZO A #101H	TRINITY OPERATING (USG), LLC	DRILL	8,100	Y
2020-01-13	860715	42-507-33389	FERGUSON-MCKNIGHT #2762H	EL TORO RESOURCES LLC	DRILL	6,100	Y
2020-01-13	860714	42-507-33388	FERGUSON-MCKNIGHT #2761H	EL TORO RESOURCES LLC	DRILL	6,100	Y
2020-01-10	860665	42-507-33387	THUSS #1	CML EXPLORATION, LLC	DRILL	6,700	Y
2019-12-20	860060	42-507-33386	MDB #1	CML EXPLORATION, LLC	DRILL	6,200	Y
2019-12-20	860060	42-507-33386	MDB #1	CML EXPLORATION, LLC	DRILL	6,200	Y
2019-12-16	859831	42-507-33385	COMMERCE UNIT ZAV A #4H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2019-12-16	859831	42-507-33385	COMMERCE UNIT ZAV A #4H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2019-12-16	859810	42-507-33384	COMMERCE UNIT ZAV A #3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2019-12-16	859810	42-507-33384	COMMERCE UNIT ZAV A #3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2019-12-16	859787	42-507-33383	COMMERCE UNIT ZAV A #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2019-12-16	859783	42-507-33382	COMMERCE UNIT ZAV A #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2019-12-16	859777	42-507-33381	COMMERCE UNIT ZAV B #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2019-12-02	859507	42-507-33380	BRANTON #1	CML EXPLORATION, LLC	DRILL	7,050	Y
2019-11-25	859324	42-507-33379	COMMERCE UNIT ZAV B #3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2019-11-25	859324	42-507-33379	COMMERCE UNIT ZAV B #3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2019-11-25	859324	42-507-33379	COMMERCE UNIT ZAV B #3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2019-11-25	859316	42-507-33378	COMMERCE UNIT ZAV B #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2019-11-25	859316	42-507-33378	COMMERCE UNIT ZAV B #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.