MCMULLEN County
District 13 · Barnett / North Texas · Permits since 1977-06-13 · Data through 2026-08-25
Mcmullen County permitting is running 8.7 permits a month over the trailing 90 days (26 total, up 18% on the prior quarter). EOG RESOURCES, INC. leads with 17 permits in the past 12 months, one of 15 operators active in the county. 5 operators filed a first Mcmullen County permit in the past year. Median permitted depth over the past year is 11,600 ft (prior year: 11,800 ft); 89% of the past year's permits are horizontal.
Permits (all)
8552
Operators (all)
582
Avg Depth (all)
9,646
Hz % (all)
48%
All Time
8,552
Depth Range: 0 - 25,000 ft
SWD wells in MCMULLEN County → 50 active injection & disposal wells · full UIC inventory
Permit Activity
Permit Types (all)
DRILL
7844
RECOMP
511
RENTR
91
FLD-XFR
65
OTHER
41
Top Operators
by permits, trailing 12 mo View All
| OPERATOR | PERMITS 12MO | WELLS |
|---|---|---|
| EOG RESOURCES, INC. | 17 | 386 |
| GULFTEX ENERGY, LLC | 13 | 72 |
| BPX OPERATING COMPANY | 11 | 264 |
| SILVERBOW RESOURCES OPER, LLC | 8 | 96 |
| CATURUS ENERGY, LLC | 8 | 74 |
| VERDUN OIL & GAS LLC | 8 | 69 |
| CRESCENT ENERGY OPERATING, LLC | 7 | 182 |
| BURLINGTON RESOURCES O & G CO LP | 7 | 45 |
| INEOS USA OIL & GAS LLC | 6 | 474 |
| COLUMBUS ENERGY, LLC | 2 | 14 |
Recent Permits
View All| PERMIT | LEASE | TYPE | ISSUED |
|---|---|---|---|
| 918042 | MORRILL-WARSPITE A | DRILL | 2026-08-25 |
| 918045 | MORRILL-WARSPITE D | DRILL | 2026-08-25 |
| 918043 | MORRILL-WARSPITE B | DRILL | 2026-08-25 |
| 918044 | MORRILL-WARSPITE C | DRILL | 2026-08-25 |
| 916138 | MORRILL RANC-PEEL A SA A | DRILL | 2026-07-20 |
| 917042 | HILL CREEK-HUFF | DRILL | 2026-07-20 |
| 917137 | HILL CREEK-LAZY FORK | DRILL | 2026-07-10 |
| 916780 | LOVELAND A | DRILL | 2026-07-02 |
| 916785 | LOVELAND B | DRILL | 2026-07-02 |
| 916788 | LOVELAND D | DRILL | 2026-07-02 |
New to MCMULLEN County
first county permit, past 12 mo| OPERATOR | FIRST PERMIT | PERMITS | BACKGROUND |
|---|---|---|---|
| CRESCENT ENERGY OPERATING, LLC | 2025-10-27 | 7 | active elsewhere in TX |
| COLUMBUS ENERGY, LLC | 2026-04-20 | 2 | active elsewhere in TX |
| SHORE PETROLEUM CORP. | 2026-06-02 | 1 | active elsewhere in TX |
| EVX OPERATING LLC | 2026-01-27 | 1 | first TX permits |
| ETC TEXAS P/L, LTD | 2025-11-18 | 1 | first TX permits |
Formations Beneath MCMULLEN County
from RRC completion filings| FORMATION | WELLS | MEDIAN TOP (FT) |
|---|---|---|
| Olmos | 2,713 | 8,943 |
| Wilcox | 2,277 | 4,940 |
| Eagle Ford | 2,195 | 10,722 |
| Austin Chalk | 2,193 | 10,373 |
| Anacacho | 2,135 | 10,005 |
| Navarro | 1,850 | 8,130 |
| Escondido | 1,257 | 7,557 |
| Carrizo | 1,134 | 4,633 |