Mcmullen County Drilling Permits

Every permit issued by the Texas Railroad Commission in Mcmullen County — updated daily, data through 2026-07-20.

Mcmullen County permitting is running 11 permits a month over the trailing 90 days (32 total, up 60% on the prior quarter). EOG RESOURCES, INC. leads with 29 permits in the past 12 months, one of 16 operators active in the county.

Last 30 Days

Operators (30d)

Latest Permit

2026-07-20

All Time

8,541

8,541 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
2011-07-11	719792	42-311-34592	DISCHER EF #3H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2011-07-01	719421	42-311-34591	GOODRIDGE #B 1H	TALISMAN ENERGY USA INC.	DRILL	13,500	Y
2011-06-29	719291	42-311-34589	DISCHER EF #2H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2011-06-29	719056	42-311-34586	MARTIN MASON #J 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-06-29	719056	42-311-34586	MARTIN MASON #J 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-06-28	719257	42-311-34588	RALPH EDWARDS #I 1H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2011-06-28	719197	42-311-34587	HOSKINS EFS #1H	AURORA RESOURCES CORPORATION	DRILL	10,800	Y
2011-06-28	719197	42-311-34587	HOSKINS EFS #1H	AURORA RESOURCES CORPORATION	DRILL	16,400	Y
2011-06-24	718958	42-311-34585	76 RANCH MCM #A 3H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-06-24	718958	42-311-34585	76 RANCH MCM #A 3H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-06-24	718711	42-311-34584	DONNELL "B" #1H	COMSTOCK OIL & GAS, LP	DRILL	10,500	Y
2011-06-24	718711	42-311-34584	DONNELL 'B' #1H	COMSTOCK OIL & GAS, LP	DRILL	10,500	Y
2011-06-24	718711	42-311-34584	DONNELL 'B' #1H	COMSTOCK OIL & GAS, LP	DRILL	10,500	Y
2011-06-24	718684	42-311-34582	RANCHO TRES HIJOS #2H	COMSTOCK OIL & GAS, LP	DRILL	12,000	Y
2011-06-23	718683	42-311-34583	CARLSON 'B' #1H	COMSTOCK OIL & GAS, LP	DRILL	10,500	Y
2011-06-23	718683	42-311-34583	CARLSON 'B' #1H	COMSTOCK OIL & GAS, LP	DRILL	10,500	Y
2011-06-23	718681	42-311-34581	RANCHO TRES HIJOS 'B' #1H	COMSTOCK OIL & GAS, LP	DRILL	12,000	Y
2011-06-23	718677	42-311-34580	GLORIA WHEELER 'B' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2011-06-23	718677	42-311-34580	GLORIA WHEELER 'B' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2011-06-23	718672	42-311-34579	FORREST WHEELER 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2011-06-23	718672	42-311-34579	FORREST WHEELER 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2011-06-23	718672	42-311-34579	FORREST WHEELER 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2011-06-23	718668	42-311-34578	GLORIA WHEELER 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2011-06-23	718668	42-311-34578	GLORIA WHEELER 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2011-06-22	718744	42-311-34577	POENISCH #12H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-22	718744	42-311-34577	POENISCH #11H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-22	718744	42-311-34577	POENISCH #11H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-22	718738	42-311-34576	POENISCH #11H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-22	718738	42-311-34576	POENISCH #12H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-22	718738	42-311-34576	POENISCH #12H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-22	718722	42-311-34575	76 RANCH MCM #A 1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-06-22	718722	42-311-34575	76 RANCH MCM #A 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-06-22	718708	42-311-34573	CUTTER CREEK #2H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2011-06-22	718708	42-311-34573	CUTTER CREEK #2H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2011-06-21	718599	42-311-34572	COUNTISS UNIT #A 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-06-21	718584	42-311-34570	RAYES, J. A #10H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-21	718584	42-311-34570	J. RAYES A UNIT #10H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-20	718597	42-311-34571	J. RAYES B #11H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-20	718597	42-311-34571	J. RAYES B UNIT #11H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-20	718559	42-311-34569	JAMBERS #2H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,892	Y
2011-06-17	718427	42-311-34567	COUNTISS #C 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-06-17	718425	42-311-34566	MCKENZIE #O 1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-06-17	718425	42-311-34566	MCKENZIE #O 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-06-17	718424	42-311-34565	SWAIM #8H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,436	Y
2011-06-17	718421	42-311-34564	SWAIM #7H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,457	Y
2011-06-17	718417	42-311-34563	SWAIM #6H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,523	Y
2011-06-17	718412	42-311-34562	SWAIM #4H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,503	Y
2011-06-16	718408	42-311-34561	SWAIM #2H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,495	Y
2011-06-16	718197	42-311-34568	SMITH CC #3H	XTO ENERGY INC.	DRILL	17,000	Y
2011-06-14	718165	42-311-34560	HILL #4H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y

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