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
2011-07-25	720728	42-507-32806	LLM ZAV #E 6H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-07-25	720715	42-507-32805	LLM ZAV #E 3H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-07-25	720629	42-507-32803	BAYOU ROUGE UNIT A ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-07-25	720629	42-507-32803	BAYOU ROUGE UNIT A ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-07-25	720629	42-507-32803	BAYOU ROUGE UNIT A ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-07-25	720366	42-507-32807	BAYOU ROUGE UNIT C ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-07-25	720366	42-507-32807	BAYOU ROUGE UNIT C ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-07-25	720346	42-507-32808	RICHTER UNIT A ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-07-25	720346	42-507-32808	RICHTER UNIT A ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-07-25	720346	42-507-32808	RICHTER UNIT A ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-07-22	720572	42-507-32802	DYESS #1	CML EXPLORATION, LLC	DRILL	6,600	Y
2011-07-22	720572	42-507-32802	DYESS #1	CML EXPLORATION, LLC	DRILL	6,600	Y
2011-07-11	719864	42-507-32801	DAVID HOLDSWORTH ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-06-27	719187	42-507-32840	SABCO ELAINE AC #99	SABCO OPERATING COMPANY	DRILL	7,500
2011-06-27	719183	42-507-32799	SABCO ELAINE AC #100	SABCO OPERATING COMPANY	DRILL	6,500
2011-06-27	719183	42-507-32799	SABCO ELAINE AC #100	SABCO OPERATING COMPANY, LLC	DRILL	6,500
2011-06-23	718849	42-507-32740	CHAPARROSA 'A' #2H	ESPADA OPERATING LLC	RECOMP	6,000	Y
2011-06-13	717717	42-507-32798	SABCO ELAINE AC #98	SABCO OPERATING COMPANY	DRILL	6,500
2011-06-13	717717	42-507-32798	SABCO ELAINE AC #98	SABCO OPERATING COMPANY, LLC	DRILL	6,500
2011-06-13	717717	42-507-32798	SABCO ELAINE AC #98	SABCO OPERATING COMPANY, LLC	OTHER	6,500
2011-06-10	717994	42-507-32797	PICKENS ZAV #A 1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-06-10	717994	42-507-32797	PICKENS ZAV #A 1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-06-10	717799	42-507-32645	PICOSA CREEK #1V	ESPADA OPERATING LLC	RENTR	6,500
2011-06-08	717745	42-507-32796	BAYOU ROUGE UNIT B ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-06-08	717745	42-507-32796	BAYOU ROUGE UNIT B ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-06-06	717646	42-507-32795	ALLEN #1	CML EXPLORATION, LLC	DRILL	6,500	Y
2011-06-06	717646	42-507-32795	ALLEN #1	CML EXPLORATION, LLC	DRILL	6,500	Y
2011-05-27	717274	42-507-32794	WESTWIND UNIT ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-05-20	716786	42-507-32793	HOWETT #1H	BUFFCO PRODUCTION INC.	DRILL	12,000	Y
2011-05-18	716397	42-507-32792	RANGEL UNIT A ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-05-17	715978	42-507-32791	PRYOR RANCH #2H	MCDAY ENERGY CORP.	DRILL	6,000	Y
2011-05-17	715978	42-507-32791	PRYOR RANCH #2H	MCDAY ENERGY CORP.	DRILL	6,000
2011-05-09	715678	42-507-32790	TRAYLOR WEST ZAV #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-05-09	715678	42-507-32790	TRAYLOR WEST ZAV #1HP	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-04-19	713913	42-507-32789	KEIFER, CHESTER #23	REGENCY ENERGY, INC.	DRILL	1,000
2011-04-15	714167	42-507-32788	CHAPARROSA E #1H	PETROHAWK OPERATING COMPANY	DRILL	6,300	Y
2011-04-15	714167	42-507-32788	CHAPARROSA E #1	PETROHAWK OPERATING COMPANY	DRILL	6,000
2011-04-15	714161	42-507-32787	DUNKLE #1	CML EXPLORATION, LLC	DRILL	6,500	Y
2011-04-15	714161	42-507-32787	DUNKLE #1	CML EXPLORATION, LLC	DRILL	6,500	Y
2011-04-12	713787	42-507-32786	THOMAS UNIT #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-04-11	713113	42-507-32733	MCMILLIAN #1	ALAMO OPERATING COMPANY, L. C.	RECOMP	4,500
2011-04-05	713303	42-507-32785	BLACKMON #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-04-05	713303	42-507-32785	BLACKMON UNIT #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-03-23	712383	42-507-32784	MATTHEWS #3	DAWSEY OPERATING COMPANY	DRILL	3,500
2011-03-08	711411	42-507-32783	PICKENS #1	CML EXPLORATION, LLC	DRILL	6,500	Y
2011-03-08	711411	42-507-32783	PICKENS #1	CML EXPLORATION, LLC	DRILL	6,500	Y
2011-02-18	710277	42-507-32782	HUBER #1	CML EXPLORATION, LLC	DRILL	6,900	Y
2011-02-18	710277	42-507-32782	HUBER #1	CML EXPLORATION, LLC	DRILL	6,900	Y
2011-02-10	709375	42-507-32781	JENNINGS #3	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	2,000
2011-02-08	709736	42-507-32780	CHAPARROSA A #3 V	ESPADA OPERATING LLC	DRILL	6,000

page 22 of 72

< prev next >

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