CALLAHAN County
District 8 · Eagle Ford / Maverick · Permits since 1977-06-06 · Data through 2026-09-04
Callahan County permitting is running 1.7 permits a month over the trailing 90 days (5 total, versus 1 in the prior quarter). 1 was issued in the past week. ONEOK WEST TX NGL PL, L.L.C. leads with 2 permits in the past 12 months, one of 7 operators active in the county. 4 operators filed a first Callahan County permit in the past year. Median permitted depth over the past year is 500 ft (prior year: 775 ft); 0% of the past year's permits are horizontal.
Permits (1yr)
8
vs Prior
-20%
Operators (1yr)
7
Avg Depth (1yr)
775
Hz % (1yr)
0%
All Time
6,189
Depth Range: 150 - 10,001 ft
SWD wells in CALLAHAN County → 116 active injection & disposal wells · full UIC inventory
Permit Activity
Permit Types (1yr)
DRILL
8
-2 vs prior
Top Operators
by permits, trailing 12 mo View All
| OPERATOR | PERMITS 12MO | WELLS |
|---|---|---|
| ONEOK WEST TX NGL PL, L.L.C. | 2 | 0 |
| WILSON WELL SERVICE INC. | 1 | 78 |
| CLAUSEN, A. G. | 1 | 57 |
| COTULA OIL & GAS CO., INC. | 1 | 6 |
| BIG MOUNTAIN OPERATING LLC | 1 | 0 |
| ENERGY TRANSFER COMPANY | 1 | 0 |
| GOOD NEWS RESOURCES, LLC | 1 | 0 |
Recent Permits
View All| PERMIT | LEASE | TYPE | ISSUED |
|---|---|---|---|
| 918276 | CUNNINGHAM | DRILL | 2026-09-04 |
| 916727 | STACY, F.W. | DRILL | 2026-09-02 |
| 917386 | HENDERSON, E.E. 'B' | DRILL | 2026-07-29 |
| 914970 | EA-46 REPLACEMENT TINER | DRILL | 2026-06-17 |
| 914945 | EA-33 REPLACMENT TINER | DRILL | 2026-06-17 |
| 913976 | ETC MP154.3 | DRILL | 2026-03-17 |
| 912211 | RHONDA LOOK | DRILL | 2025-12-23 |
| 911975 | STACY, F.W. | DRILL | 2025-12-05 |
| 909832 | STACY, F.W. | DRILL | 2025-08-15 |
| 909023 | 7045 CALLAHAN COMANCHE 20 MP 107 | DRILL | 2025-07-21 |
New to CALLAHAN County
first county permit, past 12 mo| OPERATOR | FIRST PERMIT | PERMITS | BACKGROUND |
|---|---|---|---|
| ONEOK WEST TX NGL PL, L.L.C. | 2026-06-17 | 2 | first TX permits |
| BIG MOUNTAIN OPERATING LLC | 2026-09-04 | 1 | active elsewhere in TX |
| COTULA OIL & GAS CO., INC. | 2026-09-02 | 1 | first TX permits |
| GOOD NEWS RESOURCES, LLC | 2025-12-23 | 1 | first TX permits |
Formations Beneath CALLAHAN County
from RRC completion filings| FORMATION | WELLS | MEDIAN TOP (FT) |
|---|---|---|
| Caddo | 419 | 3,350 |
| Ellenburger | 272 | 4,173 |
| Tannehill | 190 | 830 |
| Palo Pinto | 184 | 2,510 |
| Duffer | 137 | 3,852 |
| Barnett | 84 | 3,976 |
| Saddle Creek | 83 | 1,139 |
| Coleman Junction | 65 | 863 |