ATASCOSA County
District 2 · Gulf Coast (Central) · Permits since 1977-06-08 · Data through 2026-09-01
Atascosa County permitting is running 8.7 permits a month over the trailing 90 days (26 total, down 19% on the prior quarter). EOG RESOURCES, INC. leads with 35 permits in the past 12 months, one of 7 operators active in the county. 2 operators filed a first Atascosa County permit in the past year. Median permitted depth over the past year is 11,000 ft (prior year: 10,500 ft); 100% of the past year's permits are horizontal.
Permits (1yr)
65
vs Prior
-6%
Operators (1yr)
7
Avg Depth (1yr)
11,834
Hz % (1yr)
100%
All Time
6,416
Depth Range: 0 - 26,000 ft
SWD wells in ATASCOSA County → 85 active injection & disposal wells · full UIC inventory
Earthquakes in ATASCOSA County → 32 M2+ events in 24mo · TexNet
Permit Activity
Permit Types (1yr)
DRILL
65
-2 vs prior
Top Operators
by permits, trailing 12 mo View All
| OPERATOR | PERMITS 12MO | WELLS |
|---|---|---|
| EOG RESOURCES, INC. | 35 | 449 |
| MARATHON OIL EF LLC | 11 | 483 |
| JAVELIN ENERGY PARTNERS MGMT LLC | 9 | 184 |
| TRAILBLAZER ENERGY RESOURCES,LLC | 6 | 88 |
| PILLAR EFS, LLC | 2 | 2 |
| ALVARADO 2014 LLC | 1 | 5 |
| FIELD PETROLEUM CORP. | 1 | 4 |
Recent Permits
View All| PERMIT | LEASE | TYPE | ISSUED |
|---|---|---|---|
| 918188 | LEVIATHAN B | DRILL | 2026-09-01 |
| 918190 | LEVIATHAN D | DRILL | 2026-09-01 |
| 918191 | LEVIATHAN E | DRILL | 2026-09-01 |
| 918192 | LEVIATHAN F | DRILL | 2026-09-01 |
| 918187 | LEVIATHAN A | DRILL | 2026-09-01 |
| 918189 | LEVIATHAN C | DRILL | 2026-09-01 |
| 917177 | GROUSE AW | DRILL | 2026-08-04 |
| 917389 | DROP TINE 101HA | DRILL | 2026-07-31 |
| 917452 | WEST LAKE | DRILL | 2026-07-31 |
| 917453 | WEST LAKE | DRILL | 2026-07-31 |
New to ATASCOSA County
first county permit, past 12 mo| OPERATOR | FIRST PERMIT | PERMITS | BACKGROUND |
|---|---|---|---|
| TRAILBLAZER ENERGY RESOURCES,LLC | 2026-07-21 | 6 | active elsewhere in TX |
| FIELD PETROLEUM CORP. | 2025-10-20 | 1 | active elsewhere in TX |
Formations Beneath ATASCOSA County
from RRC completion filings| FORMATION | WELLS | MEDIAN TOP (FT) |
|---|---|---|
| Olmos | 1,915 | 5,556 |
| Austin Chalk | 1,539 | 9,525 |
| Anacacho | 1,414 | 9,240 |
| Wilcox | 1,270 | 3,686 |
| Carrizo | 1,118 | 3,008 |
| Queen City | 973 | 1,630 |
| Reklaw | 948 | 2,553 |
| Navarro | 944 | 6,101 |