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
2013-10-17	771590	42-507-33062	LITTLE MINERALS #2	JL RESOURCES, LLC	DRILL	5,000
2013-10-17	771482	42-507-33060	E.B. JONES 47 #3H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	7,301	Y
2013-10-17	771481	42-507-33059	E.B. JONES 47 #2H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	7,272	Y
2013-10-08	770771	42-507-33057	TRAYLOR SOUTH ZAV #C 4H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2013-10-08	770771	42-507-33057	TRAYLOR SOUTH ZAV #C 4H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2013-10-08	770770	42-507-33056	TRAYLOR SOUTH ZAV #C 3H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2013-10-08	770770	42-507-33056	TRAYLOR SOUTH ZAV #C 3H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2013-10-08	770718	42-507-33055	TRAYLOR SOUTH ZAV #C 2H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2013-10-08	770718	42-507-33055	TRAYLOR SOUTH ZAV #C 2H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2013-10-08	770711	42-507-33054	TRAYLOR SOUTH ZAV #C 1H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2013-10-08	770711	42-507-33054	TRAYLOR SOUTH ZAV #C 1H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2013-10-03	770745	42-507-33053	BIG WELLS (SAN MIGUEL) UNIT #0501H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	6,404	Y
2013-10-01	770599	42-507-33051	BEELER #5H	CRIMSON EXPLORATION OPER., INC.	DRILL	7,185	Y
2013-10-01	770599	42-507-33051	BEELER #5ST	CRIMSON EXPLORATION OPER., INC.	DRILL	7,185	Y
2013-10-01	770485	42-507-33052	TRAYLOR NORTH #A 3H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2013-10-01	770290	42-507-33050	RANCHO RINCON #2H	STRAND ENERGY, L.C.	DRILL	6,000	Y
2013-09-26	770040	42-507-33049	CHITTIM HEIRS #2H	BLACKBRUSH O & G, LLC	DRILL	5,500	Y
2013-09-17	769689	42-507-33048	KINGSBERY #2H	STRAND ENERGY, L.C.	DRILL	6,000	Y
2013-09-17	769689	42-507-33048	KINGSBERY #2H	STRAND ENERGY, L.C.	DRILL	6,000	Y
2013-09-09	769167	42-507-33047	PERLITZ RANCH A #1	CABOT OIL & GAS CORPORATION	DRILL	4,000
2013-09-09	769167	42-507-33047	PERLITZ RANCH A #1	CABOT OIL & GAS CORPORATION	DRILL	6,000
2013-09-09	769167	42-507-33047	PERLITZ RANCH A #1	CABOT OIL & GAS CORPORATION	DRILL	6,000
2013-08-26	768776	42-507-33046	J&M HOLDSWORTH UNIT ZAV G #2 H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2013-08-26	768776	42-507-33046	J&M HOLDSWORTH UNIT ZAV G #2 H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2013-08-26	768776	42-507-33046	J&M HOLDSWORTH UNIT ZAV G #2 H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2013-08-26	768745	42-507-33045	J&M HOLDSWORTH UNIT ZAV G #1 H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2013-08-26	768745	42-507-33045	J&M HOLDSWORTH UNIT ZAV G #1 H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2013-08-26	768745	42-507-33045	J&M HOLDSWORTH UNIT ZAV G #1 H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2013-08-20	768368	42-507-33040	BEELER #4H	CRIMSON EXPLORATION OPER., INC.	DRILL	7,180	Y
2013-08-19	768131	42-507-33039	MATTHEW #1	BHP BILLITON PET(TXLA OP) CO	DRILL	9,750
2013-08-19	768131	42-507-33039	MATTHEWS #1H	BHP BILLITON PET(TXLA OP) CO	DRILL	9,750	Y
2013-08-12	767675	42-507-33037	KIEFER, CHESTER #39	BOLLINGER DRILLING CO.	DRILL	1,000
2013-08-09	767755	42-507-33038	LITTLE MINERALS #1	JL RESOURCES, LLC	DRILL	5,000
2013-08-09	767446	42-507-33030	KIEFER, CHESTER #40	BOLLINGER DRILLING CO.	DRILL	1,000
2013-08-06	767568	42-507-33036	WINTERBOTHAM ZAV #L 4H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2013-08-06	767567	42-507-33035	WINTERBOTHAM ZAV #L 3H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2013-08-06	767565	42-507-33034	WINTERBOTHAM ZAV #L 1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2013-08-05	767564	42-507-33033	WINTERBOTHAM ZAV #K 5H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2013-08-05	767515	42-507-33032	WINTERBOTHAM ZAV #K 4H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2013-08-05	767512	42-507-33031	WINTERBOTHAM ZAV #K 3H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2013-07-31	767364	42-507-33029	TRAYLOR SOUTH ZAV #G 5H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2013-07-31	767364	42-507-33029	TRAYLOR SOUTH ZAV #G 5H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2013-07-31	767364	42-507-33029	TRAYLOR SOUTH ZAV #G 5H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2013-07-31	767364	42-507-33029	TRAYLOR SOUTH ZAV #G 5H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2013-07-31	767363	42-507-33028	TRAYLOR SOUTH ZAV #G 4H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2013-07-31	767363	42-507-33028	TRAYLOR SOUTH ZAV #G 4H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2013-07-31	767363	42-507-33028	TRAYLOR SOUTH ZAV #G 4H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2013-07-31	767362	42-507-33027	TRAYLOR SOUTH ZAV #G 3H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2013-07-31	767362	42-507-33027	TRAYLOR SOUTH ZAV #G 3H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2013-07-31	767362	42-507-33027	TRAYLOR SOUTH ZAV #G 3H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y

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