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
2014-10-31	798970	42-507-32915	TRAYLOR UNIT ZAV K #1H	EXCO OPERATING COMPANY, LP	RECOMP	9,000	Y
2014-10-31	798736	42-507-32370	JOHNSON #1	TEXRON OPERATING, LLC	RECOMP	5,250
2014-10-29	799001	42-507-33208	CENIZO #1	CML EXPLORATION, LLC	DRILL	6,800	Y
2014-10-29	799001	42-507-33208	CENIZO #1	CML EXPLORATION, LLC	DRILL	6,800	Y
2014-10-23	798742	42-507-33207	PC #1	CML EXPLORATION, LLC	DRILL	7,100	Y
2014-10-23	798742	42-507-33207	PC #1	CML EXPLORATION, LLC	DRILL	7,000	Y
2014-10-21	798391	42-507-33205	WINTERBOTHAM ZAV #F 2H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-10-21	798389	42-507-33206	WINTERBOTHAM ZAV #F 1H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-10-17	798441	42-507-32950	WOODBURY #1V	SANCHEZ OIL & GAS CORPORATION	RECOMP	7,100
2014-10-13	797900	42-507-33203	ME RANCH EF 1 #1	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2014-10-07	796941	42-507-33201	PASCHALL #1H	TERRACE BWP, LLC	DRILL	7,300	Y
2014-10-07	796141	42-507-33202	COLEMAN UNIT ZAV C #1H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-10-06	796300	42-507-33197	J&M HOLDSWORTH ZAV #A 1H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-10-06	796300	42-507-33197	J&M HOLDSWORTH ZAV #A 1H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-10-03	796691	42-507-33200	GOODWIN #1H	SN OPERATING, LLC	DRILL	9,500	Y
2014-10-02	796498	42-507-33199	DALE #1	CML EXPLORATION, LLC	DRILL	7,000	Y
2014-10-02	796498	42-507-33199	DALE #1	CML EXPLORATION, LLC	DRILL	6,800	Y
2014-10-01	796370	42-507-33198	LA MOTA ZAV #B 2H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2014-09-19	795343	42-507-33196	HARRIS #2H	STRAND ENERGY, L.C.	DRILL	6,000	Y
2014-09-19	795297	42-507-33195	HARRIS #1H	STRAND ENERGY, L.C.	DRILL	6,000	Y
2014-09-18	795187	42-507-33194	COLEMAN-TRINKLE #1H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2014-09-17	794950	42-507-33190	LLM ZAV #C 1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2014-09-16	795009	42-507-33191	WINTERBOTHAM ZAV #E 1H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-09-16	794953	42-507-33192	LLM ZAV #C 2H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2014-09-09	794944	42-507-33189	LLM ZAV #C 3H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2014-09-04	795176	42-507-33193	MATTHEWS #2501	STRATEX OIL & GAS, INC.	DRILL	3,400
2014-09-04	795176	42-507-33193	MATTHEWS #2501	STRATEX OIL & GAS HOLDINGS, INC.	DRILL	3,400
2014-09-03	794092	42-507-33188	HEITZ #7	HUGHES, DAN A. COMPANY, L.P.	DRILL	6,200
2014-08-25	792855	42-507-33187	WINTERBOTHAM ZAV #T 2H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-08-25	792853	42-507-33186	WINTERBOTHAM ZAV #T 1H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-08-25	792850	42-507-33185	WINTERBOTHAM ZAV #U 3H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-08-25	792846	42-507-33184	WINTERBOTHAM ZAV #U 2H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-08-25	792845	42-507-33183	WINTERBOTHAM ZAV #U 1H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-08-21	792587	42-507-33182	WINTERBOTHAM ZAV #V 2H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-08-21	792584	42-507-33181	WINTERBOTHAM ZAV #V 1H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-08-08	790863	42-507-33180	PRYOR RANCH #10A	MCDAY ENERGY CORP.	DRILL	9,000
2014-08-08	790863	42-507-33180	PRYOR RANCH #10H	MCDAY ENERGY CORP.	DRILL	9,000	Y
2014-08-07	790106	42-507-33179	TRAYLOR SOUTH ZAV #J 3H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-07-24	790104	42-507-33178	TRAYLOR SOUTH ZAV #J 2H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-07-24	790102	42-507-33177	TRAYLOR SOUTH ZAV #I 3H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-07-24	790099	42-507-33176	TRAYLOR SOUTH ZAV #I 2H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-07-21	789651	42-507-33175	HOWETT #6H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2014-07-21	789640	42-507-33174	HOWETT #5H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2014-07-12	788674	42-507-33167	WINTERBOTHAM ZAV #K 1H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-07-11	788329	42-507-33164	WINTERBOTHAM ZAV #I 3H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-07-11	788324	42-507-33166	WINTERBOTHAM ZAV #I 1H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-07-11	788322	42-507-33165	WINTERBOTHAM ZAV #H 3H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-07-10	788862	42-507-33172	RUTHPICK #1	CML EXPLORATION, LLC	DRILL	7,200	Y
2014-07-10	788862	42-507-33172	RUTHPICK #1	CML EXPLORATION, LLC	DRILL	6,900	Y
2014-07-10	788681	42-507-33169	WINTERBOTHAM ZAV #J 2H	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.