Atascosa County, Texas Wells Summary
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Total wells
Last 60 days
Prior 60 days
60-day trend
Atascosa County contains 1,715 wells on file, with top operators including MARATHON OIL EF LLC and EOG RESOURCES, INC..
Wells in Atascosa span several oil & gas fields including EAGLEVILLE (EAGLE FORD-1) and BRISCOE RANCH (EAGLEFORD).
Most recent well on record: WITHERSPOON, operated by EOG RESOURCES, INC. — last updated May 2026.
Active drilling rigs · Baker Hughes snapshot, week of 2026-07-02
By basin
- 168 Permian
- 44 Eagle Ford
- 31 Haynesville
- 27 Other
- 1 Granite Wash
Drilling for
- 219 Oil
- 52 Gas
Atascosa County well density
Every dot is one well — small blue dots are historic wells;
larger orange dots are wells with activity in the last 60 days.
422 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Atascosa County by total wells
Operators: Marathon Oil Ef Llc, Eog Resources, Inc., Murphy Expl. & Prod. Co. - Usa, Xto Energy Inc., Cabot Oil & Gas Corporation, Carrizo (Eagle Ford) Llc, Not Found, Atlas Eagle Ford Oper Co, Llc, Cinco Natural Resources Corp., Hilcorp Energy Company.
Top Oil & Gas Fields intersecting Atascosa County
Fields: Eagleville (Eagle Ford-1), Briscoe Ranch (Eagleford), Eagleville (Eagle Ford-2), Charlotte (Navarro), Jourdanton (Buda), Eagleville (Eagle Ford), Indio Tanks (Pearsall), Wildcat, Crown, E. (Navarro), Somerset.
Top Counties in Texas most active by total wells
Compare Atascosa against the other busiest counties in Texas:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| WITHERSPOON | 2026-05-12 | 2 | EOG RESOURCES, INC. | 01336239 |
| WITHERSPOON | 2026-05-09 | 2 | EOG RESOURCES, INC. | 01336240 |
| WITHERSPOON | 2026-05-09 | 2 | EOG RESOURCES, INC. | 01336235 |
| WITHERSPOON | 2026-05-09 | 2 | EOG RESOURCES, INC. | 01336241 |
| WITHERSPOON | 2026-05-09 | 2 | EOG RESOURCES, INC. | 01336237 |
| WITHERSPOON | 2026-05-09 | 2 | EOG RESOURCES, INC. | 01336238 |
| EAST HOSPITAL | 2026-05-08 | 4 | EOG RESOURCES, INC. | 01336023 |
| EAST HOSPITAL | 2026-05-08 | 4 | EOG RESOURCES, INC. | 01336026 |
| EAST HOSPITAL | 2026-05-08 | 4 | EOG RESOURCES, INC. | 01336024 |
| EAST HOSPITAL | 2026-05-08 | 4 | EOG RESOURCES, INC. | 01336022 |
Surface Ownership Records:
