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
3
Operators (30d)
2
Latest Permit
2026-07-20
All Time
8,541
8,541 permits
| ISSUED | PERMIT | API | LEASE | OPERATOR | TYPE | DEPTH | HZ |
|---|---|---|---|---|---|---|---|
| 1979-01-10 | 40658 | 42-311-31132 | HAGIST RANCH #16-5 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40656 | 42-311-31131 | HAGIST RANCH #18-3 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40654 | 42-311-31130 | HAGIST RANCH #2-4 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40653 | 42-311-31129 | HAGIST RANCH #9-4 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40652 | 42-311-31128 | HAGIST RANCH #16-4 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40651 | 42-311-31127 | HAGIST RANCH #10-12 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40650 | 42-311-31126 | HAGIST RANCH #481-36 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40649 | 42-311-31125 | HAGIST RANCH #481-34 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40648 | 42-311-31124 | HAGIST RANCH #481-33 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40647 | 42-311-31123 | HAGIST RANCH #481-32 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40641 | 42-311-31122 | HAGIST RANCH #10-14 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40640 | 42-311-31121 | HAGIST RANCH #4-1 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40639 | 42-311-31120 | HAGIST RANCH #125-6 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40638 | 42-311-31119 | HAGIST RANCH #125-5 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40637 | 42-311-31118 | HAGIST RANCH #10-13 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40636 | 42-311-31117 | HAGIST RANCH #481-35 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40635 | 42-311-31116 | HAGIST RANCH #481-30 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40606 | 42-311-31115 | HAGIST #7-6 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40605 | 42-311-31114 | HAGIST #467-20 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40604 | 42-311-31113 | HAGIST #6-49 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40602 | 42-311-31112 | HAGIST #6-50 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40601 | 42-311-31111 | HAGIST #8-42 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40599 | 42-311-31110 | HAGIST #8-43 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40597 | 42-311-31109 | HAGIST #8-41 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40595 | 42-311-31108 | HAGIST #9-3 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-10 | 40592 | 42-311-31107 | HAGIST #8-38 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40562 | 42-311-31106 | HAGIST #8-35 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40559 | 42-311-31105 | HAGIST #8-40 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40557 | 42-311-31104 | HAGIST #8-37 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40555 | 42-311-31103 | HAGIST #8-44 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40552 | 42-311-31102 | HAGIST #481-19 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40549 | 42-311-31101 | HAGIST #6-51 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40546 | 42-311-31100 | HAGIST #6-52 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40544 | 42-311-31099 | HAGIST #10-8 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40542 | 42-311-31098 | HAGIST #10-7 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40525 | 42-311-31097 | HAGIST #6-44 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40523 | 42-311-31096 | HAGIST #481-20 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40521 | 42-311-31095 | HAGIST #10-11 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40519 | 42-311-31094 | HAGIST #10-10 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40517 | 42-311-31093 | HAGIST #10-9 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40514 | 42-311-31092 | HAGIST #481-24 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40512 | 42-311-31091 | HAGIST #481-23 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40511 | 42-311-31090 | HAGIST #8-39 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40509 | 42-311-31089 | HAGIST #8-36 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40508 | 42-311-31088 | HAGIST #481-25 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40507 | 42-311-31087 | HAGIST #481-26 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40506 | 42-311-31086 | HAGIST #6-47 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-09 | 40505 | 42-311-31085 | HAGIST #481-22 | IEC CORP. | DRILL | 1,000 | |
| 1979-01-08 | 40346 | 42-311-31084 | WHITMIRE, W. A. #9 | MCFADDEN OIL CORPORATION | DRILL | 900 | |
| 1979-01-08 | 40345 | 42-311-31083 | WHITMIRE, W. A. #8 | MCFADDEN OIL CORPORATION | DRILL | 842 |
Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Mcmullen County.