Atascosa County Drilling Permits

Every permit issued by the Texas Railroad Commission in Atascosa County — updated daily, data through 2026-09-01.

Atascosa County permitting is running 9.0 permits a month over the trailing 90 days (27 total, down 16% on the prior quarter). EOG RESOURCES, INC. leads with 35 permits in the past 12 months, one of 7 operators active in the county.

Last 30 Days

Operators (30d)

Latest Permit

2026-09-01

All Time

6,417

6,417 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
2012-08-28	746794	42-013-34596	STEWART-HENKE UNIT #1H	MARATHON OIL EF LLC	DRILL	14,500	Y
2012-08-28	746771	42-013-34595	KRUEGER-ZUNKER UNIT #1H	MARATHON OIL EF LLC	DRILL	14,500	Y
2012-08-28	746739	42-013-34594	HERBST-MAY UNIT #2H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,900	Y
2012-08-23	746446	42-013-34593	CHAMOIS UNIT #1H	EOG RESOURCES, INC.	DRILL	9,800	Y
2012-08-23	746438	42-013-34592	COUNTISS #T 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-08-22	746423	42-013-34591	TOM FAMILY UNIT #1H	MARATHON OIL EF LLC	DRILL	14,500	Y
2012-08-16	746018	42-013-34308	TOM UNIT #1H	MARATHON OIL EF LLC	RECOMP	10,586	Y
2012-08-15	746046	42-013-34590	MAY GIRLS #1H	MARATHON OIL EF LLC	DRILL	15,500	Y
2012-08-15	746041	42-013-34589	WARTHOG UNIT #1H	EOG RESOURCES, INC.	DRILL	10,000	Y
2012-08-14	745943	42-013-34588	MAUCH-HENKE UNIT #1H	MARATHON OIL EF LLC	DRILL	15,000	Y
2012-08-09	745654	42-013-34587	MAY GIRLS #3H	MARATHON OIL EF LLC	DRILL	15,500	Y
2012-08-09	745627	42-013-34586	EMMA TARTT #26H	XTO ENERGY INC.	DRILL	18,000	Y
2012-08-09	744235	42-013-34574	QUAIL #3H	EOG RESOURCES, INC.	DRILL	11,000	Y
2012-08-09	744230	42-013-34573	QUAIL #2H	EOG RESOURCES, INC.	DRILL	11,000	Y
2012-08-08	744402	42-013-34581	CAPE BUFFALO #1	EOG RESOURCES, INC.	DRILL	11,500
2012-08-08	744402	42-013-34581	CAPE BUFFALO #1	EOG RESOURCES, INC.	DRILL	11,500
2012-08-06	745170	42-013-34585	JTN UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,616	Y
2012-08-03	745250	42-013-34584	KOWALIK UNIT B #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,200	Y
2012-08-03	745250	42-013-34584	KOWALIK UNIT B #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,300	Y
2012-08-03	745248	42-013-34583	KOWALIK UNIT A #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,200	Y
2012-08-03	745248	42-013-34583	KOWALIK UNIT A #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,300	Y
2012-08-02	743919	42-013-34555	R. MAY B #5H	MARATHON OIL EF LLC	DRILL	15,000	Y
2012-08-01	745399	42-013-34582	PEELER RANCH #3H	EAGLE FORD HUNTER RESOURCES,INC.	DRILL	12,500	Y
2012-08-01	745399	42-013-34582	PEELER RANCH #3H	EAGLE FORD HUNTER RESOURCES,INC.	DRILL	12,900	Y
2012-08-01	745065	42-013-34579	MIDDLE MCCOWEN #25H	MARATHON OIL EF LLC	DRILL	18,460	Y
2012-08-01	745064	42-013-34578	MIDDLE MCCOWEN #24H	MARATHON OIL EF LLC	DRILL	18,460	Y
2012-08-01	745031	42-013-34575	KRUEGER-HOELSCHER UNIT #1H	MARATHON OIL EF LLC	DRILL	15,500	Y
2012-08-01	745031	42-013-34575	KRUEGER-HOELSCHER UNIT #1H	MARATHON OIL EF LLC	RECOMP	15,500	Y
2012-07-31	745058	42-013-34576	MIDDLE MCCOWEN #23H	MARATHON OIL EF LLC	DRILL	18,460	Y
2012-07-31	745049	42-013-34577	MIDDLE MCCOWEN #22H	MARATHON OIL EF LLC	DRILL	18,460	Y
2012-07-31	745045	42-013-34580	MIDDLE MCCOWEN #21H	MARATHON OIL EF LLC	DRILL	18,460	Y
2012-07-31	743361	42-013-34558	SAN MIGUEL A UNIT #4H	EOG RESOURCES, INC.	DRILL	10,000	Y
2012-07-27	744944	42-013-34571	WILLIAMS UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,800	Y
2012-07-27	744944	42-013-34571	WILLIAMS UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,800	Y
2012-07-27	744940	42-013-34572	PENNINGTON UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,800	Y
2012-07-27	744906	42-013-34570	MIDDLE MCCOWEN #20H	MARATHON OIL EF LLC	DRILL	18,200	Y
2012-07-27	744875	42-013-34569	MIDDLE MCCOWEN #19H	MARATHON OIL EF LLC	DRILL	18,200	Y
2012-07-27	744871	42-013-34568	BRISTER UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,100	Y
2012-07-27	744865	42-013-34566	MIDDLE MCCOWEN #16H	MARATHON OIL EF LLC	DRILL	18,460	Y
2012-07-26	744845	42-013-34567	KELLNER UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,100	Y
2012-07-25	744612	42-013-34565	CHILIPITIN, LTD. #102H	CABOT OIL & GAS CORPORATION	DRILL	17,000	Y
2012-07-24	744092	42-013-34560	BROS UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,870	Y
2012-07-24	744092	42-013-34560	BROS UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,870	Y
2012-07-24	743835	42-013-34556	BLT UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,616	Y
2012-07-17	744233	42-013-34564	WILHELM-SMITH UNIT A #4H	MARATHON OIL EF LLC	DRILL	17,500	Y
2012-07-17	744232	42-013-34563	WILHELM-SMITH UNIT A #3H	MARATHON OIL EF LLC	DRILL	17,500	Y
2012-07-17	744227	42-013-34562	WILHELM-SMITH UNIT A #2H	MARATHON OIL EF LLC	DRILL	17,500	Y
2012-07-14	744142	42-013-34561	WILHELM-SMITH UNIT A #1H	MARATHON OIL EF LLC	DRILL	17,500	Y
2012-07-12	744002	42-013-34557	JOHN JR UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,870	Y
2012-07-12	744002	42-013-34557	JOHN JR UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,956	Y

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