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
2014-04-29	782700	42-507-33131	BEELER UNIT E #17H	CRIMSON EXPLORATION OPER., INC.	DRILL	7,150	Y
2014-04-18	783718	42-507-33136	LEWIS #1H	STRAND ENERGY, L.C.	DRILL	6,000	Y
2014-04-16	784339	42-507-33134	HOWETT #14H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2014-04-16	784138	42-507-33132	TRAYLOR NORTH #D 3H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-04-16	784138	42-507-33132	TRAYLOR NORTH #D 3H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-04-15	784294	42-507-33133	HOWETT #12H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2014-04-15	782545	42-507-33128	BEELER UNIT D #16H	CRIMSON EXPLORATION OPER., INC.	DRILL	7,170	Y
2014-04-15	782545	42-507-33128	BEELER UNIT D #16H	CRIMSON EXPLORATION OPER., INC.	DRILL	7,130	Y
2014-04-14	784282	42-507-33129	HOWETT #11H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2014-04-10	781530	42-507-33023	PFEIFFER #1	CML EXPLORATION, LLC	RECOMP	7,200	Y
2014-04-09	783146	42-507-33126	HEITZ #6	HUGHES, DAN A. COMPANY, L.P.	DRILL	6,000
2014-04-09	782691	42-507-33127	HARGROVE RIVER A #1H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2014-04-09	782691	42-507-33127	HARGROVE RIVER A #1H	BUFFCO PRODUCTION INC.	DRILL	9,000	Y
2014-04-08	781377	42-507-33121	BEELER #12H	CRIMSON EXPLORATION OPER., INC.	DRILL	7,160	Y
2014-04-07	781786	42-507-33124	WINTERBOTHAM ZAV #N 1H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-04-04	781170	42-507-33120	WINTERBOTHAM ZAV #O 3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2014-04-04	781165	42-507-33118	WINTERBOTHAM ZAV #G 3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2014-04-04	781165	42-507-33118	WINTERBOTHAM ZAV #G 3H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2014-04-04	781162	42-507-33117	WINTERBOTHAM ZAV #G 4H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2014-04-04	781102	42-507-33115	COLEMAN ZAV #A 5H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2014-04-04	781102	42-507-33115	COLEMAN UNIT ZAV A #5H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2014-04-02	781790	42-507-33122	WINTERBOTHAM ZAV #N 2H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-04-02	781790	42-507-33122	WINTERBOTHAM ZAV #N 2H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-04-02	781779	42-507-33123	WINTERBOTHAM ZAV #N 3H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-04-02	781779	42-507-33123	WINTERBOTHAM ZAV #N 3H	EXCO OPERATING COMPANY, LP	DRILL	8,000	Y
2014-03-31	782235	42-507-32314	HALEY #2	HUGHES, DAN A. COMPANY, L.P.	RENTR	5,700
2014-03-29	781169	42-507-33119	WINTERBOTHAM ZAV #O 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2014-03-29	781158	42-507-33116	WINTERBOTHAM ZAV #G 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2014-03-20	780811	42-507-33114	COLLIER #1	ALAMO OPERATING COMPANY, L. C.	DRILL	5,000
2014-03-18	781104	42-507-33113	COLEMAN ZAV #B 1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2014-03-18	781104	42-507-33113	COLEMAN ZAV #B 1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2014-02-28	778097	42-507-33109	BRUCE WEAVER #2H	WCS OIL & GAS CORPORATION	DRILL	7,500	Y
2014-02-27	778460	42-507-33105	TRAYLOR UNIT ZAV N #2H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-26	778584	42-507-33112	TRAYLOR UNIT ZAV M #3H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-26	778584	42-507-33112	TRAYLOR UNIT ZAV M #3H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-26	778476	42-507-33111	TRAYLOR UNIT ZAV N #4H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-25	778484	42-507-33106	TRAYLOR UNIT ZAV N #5H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-25	778472	42-507-33110	TRAYLOR UNIT ZAV N #3H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-24	778488	42-507-33107	TRAYLOR UNIT ZAV M #5H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-24	778488	42-507-33107	TRAYLOR UNIT ZAV M #5H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-21	778582	42-507-33108	TRAYLOR UNIT ZAV M #2H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-21	778582	42-507-33108	TRAYLOR UNIT ZAV M #2H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-12	777840	42-507-33102	TRAYLOR UNIT ZAV N #1H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-07	777841	42-507-33100	TRAYLOR UNIT ZAV M #4H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-06	778490	42-507-33104	TRAYLOR UNIT ZAV M #6H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-06	777838	42-507-33101	TRAYLOR UNIT ZAV N #6H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-06	777837	42-507-33099	TRAYLOR UNIT ZAV M #1H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-06	777837	42-507-33099	TRAYLOR UNIT ZAV M #1H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2014-02-05	777738	42-507-33098	JESSICA #1	CML EXPLORATION, LLC	DRILL	7,200	Y
2014-02-05	777738	42-507-33098	JESSICA #1	CML EXPLORATION, LLC	DRILL	7,200	Y

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