MCMULLEN County
District 13 · Barnett / North Texas · Permits since 1977-06-13 · Data through 2026-07-20
Mcmullen County permitting is running 11 permits a month over the trailing 90 days (32 total, up 19% on the prior quarter). 2 were issued in the past week. EOG RESOURCES, INC. leads with 29 permits in the past 12 months, one of 16 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 11,800 ft (prior year: 11,978 ft); 90% of the past year's permits are horizontal.
Permits (6mo)
59
vs Prior
+16%
Operators (6mo)
11
Avg Depth (6mo)
12,457
Hz % (6mo)
85%
All Time
8,541
Depth Range: 0 - 25,000 ft
SWD wells in MCMULLEN County → 50 active injection & disposal wells · full UIC inventory
Permit Activity
Permit Types (6mo)
DRILL
56
+13 vs prior
RECOMP
2
NEW vs prior
RENTR
1
= vs prior
Top Operators
by permits, trailing 12 mo View All
| OPERATOR | PERMITS 12MO | WELLS |
|---|---|---|
| EOG RESOURCES, INC. | 29 | 386 |
| BPX OPERATING COMPANY | 13 | 264 |
| GULFTEX ENERGY, LLC | 13 | 72 |
| CATURUS ENERGY, LLC | 10 | 74 |
| SILVERBOW RESOURCES OPER, LLC | 8 | 96 |
| TIDAL PETROLEUM, INC. | 8 | 1 |
| BURLINGTON RESOURCES O & G CO LP | 7 | 45 |
| INEOS USA OIL & GAS LLC | 6 | 474 |
| VERDUN OIL & GAS LLC | 4 | 69 |
| KALER ENERGY CORP. | 3 | 12 |
Recent Permits
View All| PERMIT | LEASE | TYPE | ISSUED |
|---|---|---|---|
| 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 |
| 916788 | LOVELAND D | DRILL | 2026-07-02 |
| 916780 | LOVELAND A | DRILL | 2026-07-02 |
| 916787 | LOVELAND C | DRILL | 2026-07-02 |
| 916785 | LOVELAND B | DRILL | 2026-07-02 |
| 916738 | OLIVEIRA H | DRILL | 2026-06-29 |
| 916756 | CAMPANA DE FE | DRILL | 2026-06-29 |
| 916738 | OLIVEIRA | DRILL | 2026-06-29 |
New to MCMULLEN County
first county permit, past 12 mo| OPERATOR | FIRST PERMIT | PERMITS | BACKGROUND |
|---|---|---|---|
| CATURUS ENERGY, LLC | 2025-08-18 | 10 | 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 | 2,700 | 8,942 |
| Wilcox | 2,267 | 4,940 |
| Eagle Ford | 2,186 | 10,719 |
| Austin Chalk | 2,184 | 10,373 |
| Anacacho | 2,125 | 10,004 |
| Navarro | 1,840 | 8,130 |
| Escondido | 1,249 | 7,556 |
| Carrizo | 1,132 | 4,637 |