Mcmullen County Drilling Permits

Every permit issued by the Texas Railroad Commission in Mcmullen County — updated daily, data through 2026-09-14.

Mcmullen County permitting is running 8.0 permits a month over the trailing 90 days (24 total, down 14% on the prior quarter). 4 were issued in the past week. EOG RESOURCES, INC. leads with 17 permits in the past 12 months, one of 15 operators active in the county.

Last 30 Days

Operators (30d)

Latest Permit

2026-09-14

All Time

8,556

8,556 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
2010-12-03	706045	42-311-34313	RALPH EDWARDS #E 2H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-12-02	706050	42-311-34315	RALPH EDWARDS #E 4H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-12-02	706047	42-311-34314	RALPH EDWARDS #E 3H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-12-01	706052	42-311-34316	RALPH EDWARDS #E 5H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-12-01	706041	42-311-34312	RALPH EDWARDS #E 1H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-12-01	706041	42-311-34312	RALPH EDWARDS #E 1H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-12-01	706041	42-311-34312	RALPH EDWARDS #E 1H	CHESAPEAKE OPERATING, INC.	DRILL	15,000	Y
2010-12-01	706041	42-311-34312	RALPH EDWARDS #E 1HP	CHESAPEAKE OPERATING, INC.	DRILL	15,000	Y
2010-12-01	706017	42-311-34317	ACKER #5R	WHITESANDS OPERATING, L.L.C.	DRILL	2,700
2010-11-24	705885	42-311-34311	FOREHAND #2	CASKIDS OPERATING COMPANY	DRILL	17,000
2010-11-24	705885	42-311-34311	FOREHAND #2H	CASKIDS OPERATING COMPANY	DRILL	17,000	Y
2010-11-24	705885	42-311-34311	FOREHAND #2H	FURIE OPERATING, LLC	DRILL	17,000	Y
2010-11-23	705778	42-311-34310	SIDDONS OL #2H	SWIFT ENERGY OPERATING, LLC	DRILL	11,500	Y
2010-11-22	705582	42-311-34309	MARTIN MASON M #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-11-18	705368	42-311-34308	SWENSON #1H	COMSTOCK OIL & GAS, LP	DRILL	18,000	Y
2010-11-18	705368	42-311-34308	SWENSON #1H	COMSTOCK OIL & GAS, LP	DRILL	18,000	Y
2010-11-16	705239	42-311-34307	SWAIM #1H	MURPHY EXPLORATION & PROD. CO.	DRILL	10,052	Y
2010-11-16	705239	42-311-34307	SWAIM #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,460	Y
2010-11-04	703959	42-311-34306	HORTON, RP -A- #A 6	WELHAUSEN OPERATING COMPANY, LP	DRILL	10,500
2010-11-01	704483	42-311-34305	VIRGINIA FEE 'C' #3H	XTO ENERGY INC.	DRILL	18,000	Y
2010-10-27	704330	42-311-34304	MARTIN MASON N #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-10-27	704330	42-311-34304	MARTIN MASON N #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-10-22	704111	42-311-34303	LEE WHEELER -C- #1	WELHAUSEN OPERATING COMPANY, LP	DRILL	11,000
2010-10-22	704015	42-311-34302	DONNELL A #6H	PETROHAWK OPERATING COMPANY	DRILL	11,500	Y
2010-10-18	703677	42-311-34301	TEAL RANCH EFS #1H	AURORA RESOURCES CORPORATION	DRILL	10,800	Y
2010-10-18	703677	42-311-34301	TEAL RANCH EFS #1H	AURORA RESOURCES CORPORATION	DRILL	10,800	Y
2010-10-14	703519	42-311-34300	QUINTANILLA-JCB #4	WELHAUSEN OPERATING COMPANY, LP	DRILL	10,000
2010-10-13	703466	42-311-34299	FOX CREEK #E 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-10-13	703466	42-311-34299	FOX CREEK #E 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-10-13	703379	42-311-34298	NICHOLS #1H	ESCONDIDO RESOURCES II, LLC	DRILL	12,000	Y
2010-10-13	703379	42-311-34298	NICHOLS #1H	ESCONDIDO RESOURCES II, LLC	DRILL	12,000	Y
2010-10-13	703379	42-311-34298	NICHOLS #1H	ESCONDIDO RESOURCES II, LLC	DRILL	12,000	Y
2010-10-13	702933	42-311-34292	R. BRACKEN #37H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2010-10-13	702933	42-311-34292	R. BRACKEN #37H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2010-10-07	703264	42-311-34297	Y-BAR #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,680	Y
2010-10-07	703264	42-311-34297	Y-BAR #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,680	Y
2010-10-06	703232	42-311-34296	CARLSON "A" #1H	COMSTOCK OIL & GAS, LP	DRILL	17,500	Y
2010-10-06	703232	42-311-34296	CARLSON "A" #1H	COMSTOCK OIL & GAS, LP	DRILL	17,500	Y
2010-10-06	703232	42-311-34296	CARLSON "A" #1H	COMSTOCK OIL & GAS, LP	DRILL	17,500	Y
2010-10-01	702973	42-311-34295	FOX CREEK #D 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-10-01	702973	42-311-34295	FOX CREEK #D 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-10-01	702971	42-311-34294	MARTIN MASON E #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-10-01	702971	42-311-34294	MARTIN MASON E #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-10-01	702945	42-311-34291	RALPH EDWARDS L #1H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-10-01	702945	42-311-34291	RALPH EDWARDS #L 1H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-10-01	702942	42-311-34293	MARTIN MASON D #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-10-01	702942	42-311-34293	MARTIN MASON D #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-10-01	702701	42-311-34290	RHODE RANCH 13 #1	HURD ENTERPRISES, LTD.	DRILL	10,000
2010-10-01	702701	42-311-34290	RHODE RANCH #1301	HURD ENTERPRISES, LTD.	DRILL	10,000
2010-09-23	702506	42-311-34289	EDWARDS #1H	PETROHAWK OPERATING COMPANY	DRILL	12,200	Y

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