Atascosa County Drilling Permits

Every permit issued by the Texas Railroad Commission in Atascosa County — updated daily, data through 2026-07-21.

Atascosa County permitting is running 10 permits a month over the trailing 90 days (31 total, versus 1 in the prior quarter). EOG RESOURCES, INC. leads with 21 permits in the past 12 months, one of 9 operators active in the county.

Last 30 Days

Operators (30d)

Latest Permit

2026-07-21

All Time

6,389

6,389 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
2013-03-07	757470	42-013-34684	R. MAY B #7H	MARATHON OIL EF LLC	DRILL	17,200	Y
2013-03-07	757466	42-013-34683	R. MAY B #6H	MARATHON OIL EF LLC	DRILL	15,000	Y
2013-03-07	757466	42-013-34683	R. MAY B #6H	MARATHON OIL EF LLC	DRILL	17,200	Y
2013-03-07	757411	42-013-34688	HEFFERNAN A UNIT #2H	EOG RESOURCES, INC.	DRILL	9,800	Y
2013-03-07	757410	42-013-34681	HEFFERNAN A UNIT #1H	EOG RESOURCES, INC.	DRILL	9,800	Y
2013-03-05	757753	42-013-34682	HINDES-POST OAK UNIT #101H	CABOT OIL & GAS CORPORATION	DRILL	15,600	Y
2013-03-04	757694	42-013-34680	NWR #2H	COMSTOCK OIL & GAS, LP	DRILL	10,000	Y
2013-02-27	757212	42-013-34679	WILHELM-SMITH UNIT B #2H	MARATHON OIL EF LLC	DRILL	17,000	Y
2013-02-27	757190	42-013-34674	WILHELM SMITH UNIT B #1H	MARATHON OIL EF LLC	DRILL	17,000	Y
2013-02-26	757015	42-013-34678	KYLIE UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,250	Y
2013-02-26	757015	42-013-34678	KYLIE UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,250	Y
2013-02-25	757246	42-013-34677	MIDDLE MCCOWEN #39H	MARATHON OIL EF LLC	DRILL	16,500	Y
2013-02-25	757243	42-013-34676	MIDDLE MCCOWEN #38H	MARATHON OIL EF LLC	DRILL	16,500	Y
2013-02-25	757240	42-013-34675	MIDDLE MCCOWEN #37H	MARATHON OIL EF LLC	DRILL	16,500	Y
2013-02-21	757013	42-013-34673	L KELLNER UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,250	Y
2013-02-21	757013	42-013-34673	L KELLNER UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,250	Y
2013-02-21	756985	42-013-34672	S & H TRUST UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,250	Y
2013-02-21	756985	42-013-34672	S & H TRUST UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,250	Y
2013-02-21	756980	42-013-34671	S & H TRUST #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,250	Y
2013-02-21	756980	42-013-34671	S & H TRUST #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,250	Y
2013-02-20	756858	42-013-34291	EMMA TARTT #17H	XTO ENERGY INC.	FLD-XFR	10,220	Y
2013-02-20	756858	42-013-34291	EMMA TARTT #17H	XTO ENERGY INC.	FLD-XFR	12,000	Y
2013-02-15	756419	42-013-34670	REDHEAD UNIT #1H	EOG RESOURCES, INC.	DRILL	10,500	Y
2013-02-14	756671	42-013-34669	PEELER RANCH #8H	EOG RESOURCES, INC.	DRILL	11,000	Y
2013-02-13	756437	42-013-34668	DOBIE MARTIN UNIT #2H	CINCO NATURAL RESOURCES CORP.	DRILL	9,000	Y
2013-02-13	756437	42-013-34668	DOBIE MARTIN UNIT #2H	CINCO NATURAL RESOURCES CORP.	DRILL	9,000	Y
2013-02-13	756431	42-013-34667	DOBIE MARTIN UNIT #1H	CINCO NATURAL RESOURCES CORP.	DRILL	9,000	Y
2013-02-13	756431	42-013-34667	DOBIE MARTIN UNIT #1H	CINCO NATURAL RESOURCES CORP.	DRILL	9,000	Y
2013-02-07	756107	42-013-34666	ERMIS #1H	VIRTEX OPERATING COMPANY, INC.	DRILL	8,000	Y
2013-02-07	756107	42-013-34666	ERMIS #1H	VIRTEX OPERATING COMPANY, INC.	DRILL	8,000	Y
2013-02-04	755854	42-013-34665	MAY GIRLS-CHAPMAN UNIT #4H	MARATHON OIL EF LLC	DRILL	15,000	Y
2013-02-01	755791	42-013-34664	NEU WAS #1H	COMSTOCK OIL & GAS, LP	DRILL	10,000	Y
2013-01-31	755731	42-013-34663	WIDGEON UNIT #1H	EOG RESOURCES, INC.	DRILL	10,600	Y
2013-01-30	755011	42-013-34662	PENNINGTON UNIT #2H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,900	Y
2013-01-30	755011	42-013-34662	PENNINGTON UNIT #2H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,900	Y
2013-01-29	755453	42-013-34660	CUELLAR #1H	EOG RESOURCES, INC.	DRILL	9,000	Y
2013-01-29	754881	42-013-34661	SAN MIGUEL B UNIT #1H	EOG RESOURCES, INC.	DRILL	10,900	Y
2013-01-29	754881	42-013-34661	SAN MIGUEL B UNIT #1H	EOG RESOURCES, INC.	DRILL	10,900	Y
2013-01-28	755327	42-013-34659	HYENA #1H	EOG RESOURCES, INC.	DRILL	10,000	Y
2013-01-24	754652	42-013-34658	GORGON UNIT #2H	EOG RESOURCES, INC.	DRILL	10,700	Y
2013-01-23	755006	42-013-34657	WILLIAMS UNIT #2H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,900	Y
2013-01-18	754773	42-013-34656	SIMMONS SUBDIVISION UNIT #1H	EP ENERGY E&P COMPANY, L.P.	DRILL	9,200	Y
2013-01-11	754133	42-013-34654	GONZALES #1H	VIRTEX OPERATING COMPANY, INC.	DRILL	8,500	Y
2013-01-11	754041	42-013-34655	MIDDLE MCCOWEN #46H	MARATHON OIL EF LLC	DRILL	16,300	Y
2013-01-07	753738	42-013-34653	PEELER SMEC A UNIT #1H	EOG RESOURCES, INC.	DRILL	11,000	Y
2012-12-27	753500	42-013-34652	BOWMAN EAST #1H	EOG RESOURCES, INC.	DRILL	10,000	Y
2012-12-19	753320	42-013-34651	STONE #1H	OXY USA INC.	DRILL	9,000	Y
2012-12-18	753018	42-013-34647	MIDDLE MCCOWEN #36H	MARATHON OIL EF LLC	DRILL	16,300	Y
2012-12-18	752846	42-013-34649	CHUKAR UNIT #1H	EOG RESOURCES, INC.	DRILL	10,500	Y
2012-12-18	752816	42-013-34648	PRONGHORN UNIT #1H	EOG RESOURCES, INC.	DRILL	10,500	Y

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