COUNTIES · EAGLE FORD SHALE · DISTRICT 01 · CODE 013
Atascosa County, Texas
Atascosa County permitting is running 5.0 permits a month over the trailing 90 days (15 total, down 50% on the prior quarter).
EOG Resources, Inc. leads with 39 permits in the past 12 months, one of 6 operators active in the county.
One operator 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.
The county has 84 active disposal and injection permits, with 31.4M barrels injected in the 12 months reported through June 2025.
155 earthquakes of magnitude 2 or more were located in the county's permit footprint over the past two years, the largest M3.8.
5,762 drilling permits have been issued in Atascosa County since 1977.
5,762 permits on file since 1977 · last issued Oct 19, 2026
Email me new permitsAlso: every Atascosa County well in the statewide list, searchable → · a year of permits on the map →
- 15
- permits issued, 90d
- -50%
- vs prior 90d (30)
- 2
- operators filing
- 100%
- horizontal
- 11,067
- avg permitted depth, ft
- 655
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 9, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 120 MONTHS · BY ISSUE DATE
Last 12 months 58 · prior 12 62(-6%)
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
| Operator | Permits | Wells |
|---|---|---|
| EOG Resources, Inc. | 39 | 469 |
| Javelin Energy Partners Mgmt LLC | 9 | 184 |
| Marathon Oil EF LLC | 4 | 499 |
| Trailblazer Energy Resources,llc | 4 | 104 |
| Alvarado 2014 LLC | 1 | 5 |
| Field Petroleum Corp. | 1 | 4 |
New entrants, last 12 months
Operators whose first permit in Atascosa County came in the last year. 1 in total.
- Trailblazer Energy Resources,llc4 permitsJul 21, 2026 · active elsewhere first
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Atascosa County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
In Atascosa County the Bartosh is reported in 662 wells, median top 3,622 ft, highlighted below. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Olmos | 1,924 | 95 | 5,662 | 1,451–8,754 |
| Austin Chalk | 1,548 | 125 | 9,468 | 7,279–10,846 |
| Anacacho | 1,423 | 120 | 9,178 | 7,046–10,628 |
| Wilcox | 1,279 | 105 | 3,544 | 600–5,352 |
| Carrizo | 1,127 | 105 | 2,990 | 1,580–4,029 |
| Queen City | 981 | 96 | 1,600 | 830–2,890 |
| Reklaw | 956 | 98 | 2,504 | 1,815–3,435 |
| Navarro | 953 | 75 | 6,083 | 3,600–8,445 |
| Escondido | 921 | 80 | 5,517 | 1,320–7,620 |
| Bartosh | 662 | 21 | 3,622 | 3,014–4,951 |
| Eagle Ford | 577 | 6 | 9,744 | 7,690–10,966 |
| Buda | 174 | 0 | 7,380 | 5,604–10,302 |
| Edwards | 167 | 0 | 7,582 | 7,080–10,596 |
| Midway | 125 | 2 | 5,423 | 3,550–7,158 |
| Georgetown | 89 | 0 | 7,504 | 6,832–10,460 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 84
- active UIC permits of 531
- 452K
- permitted bbl/day, active
- 31.4M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Atascosa County →
Permitted volume is a ceiling, not throughput. How to read it →
USGS catalog, Texas
Seismicity, last 2 years
- 155
- M2+ events in the area
- M3.8
- largest
Monthly counts, magnitudes, and every recent event in the area →
Events are not tagged with a county; this counts M2+ events inside the bounding box of the county’s located permits, padded 0.1°. About TexNet →
Latest permits
NEWEST FIRST BY ISSUE DATE
| Permit | Seen | Issued | Operator | Lease / well | Depth | API |
|---|---|---|---|---|---|---|
| 919336 | Oct 21, 2026 | Oct 19, 2026 | Field Petroleum Corp. | Harlan #1HH | 12,000 | 01336319 |
| 918738Amendment | Nov 6, 2026 | Sep 23, 2026 | EOG Resources, Inc. | LBJ C #3HH | 11,000 | 01336317 |
| 918737Amendment | Nov 6, 2026 | Sep 23, 2026 | EOG Resources, Inc. | LBJ B #2HH | 11,000 | 01336316 |
| 918736Amendment | Nov 6, 2026 | Sep 23, 2026 | EOG Resources, Inc. | LBJ A #1HH | 11,000 | 01336315 |
| 918739 | Sep 25, 2026 | Sep 23, 2026 | EOG Resources, Inc. | LBJ D #4HH | 11,000 | 01336318 |
| 918738 | Sep 25, 2026 | Sep 23, 2026 | EOG Resources, Inc. | LBJ C #3HH | 11,000 | 01336317 |
| 918737 | Sep 25, 2026 | Sep 23, 2026 | EOG Resources, Inc. | LBJ B #2HH | 11,000 | 01336316 |
| 918736 | Sep 25, 2026 | Sep 23, 2026 | EOG Resources, Inc. | LBJ A #1HH | 11,000 | 01336315 |
| 918735Amendment | Nov 6, 2026 | Sep 21, 2026 | EOG Resources, Inc. | Travis D #4HH | 11,000 | 01336314 |
| 918734Amendment | Nov 6, 2026 | Sep 21, 2026 | EOG Resources, Inc. | Travis C #3HH | 11,000 | 01336313 |
Questions about Atascosa County
How many drilling permits were issued in Atascosa County in the last 12 months?
58 permits were issued in Atascosa County in the last 12 months, down 11% from 65 in the 12 months before. 100% were for horizontal wells. The most recent was issued Oct 19, 2026. 5,762 are on file since 1977.
Every Atascosa County permit →Who is the most active operator in Atascosa County?
By drilling permits filed in the last 12 months, EOG Resources, Inc. is the most active operator in Atascosa County, with 39 of 58, followed by Javelin Energy Partners Mgmt LLC (9) and Marathon Oil EF LLC (4). 2 operators filed permits here in the last 90 days.
Operators in Atascosa County →How many oil and gas wells are in Atascosa County?
7,207 wells are on file in Atascosa County, including 2,285 active, 2,994 plugged, and 43 permitted and not yet drilled. 1,734 are horizontal. The active wells are under 83 operators.
Every well in Atascosa County →How much oil and gas does Atascosa County produce?
The Railroad Commission files oil and gas production by lease, not by well or by county. Each lease with wells in Atascosa County is listed with its reported production on the county's Leases tab.
Leases in Atascosa County →How much water is injected in Atascosa County?
31.4 million barrels of water were injected in Atascosa County in the 12 months through June 2025, reported on form H-10. 84 of the county's 531 disposal and injection permits are active.
Disposal and injection in Atascosa County →What formations are drilled in Atascosa County?
Completion filings for wells in Atascosa County report tops for 15 formations in at least ten wells each. The most reported are the Olmos (1,924 wells, median top 5,662 ft), the Austin Chalk (1,548 wells, median top 9,468 ft), and the Anacacho (1,423 wells, median top 9,178 ft).
Formations in Atascosa County →What basin is Atascosa County in?
Petrora lists Atascosa County in the Eagle Ford Shale. It is in the Railroad Commission's District 01.
The Eagle Ford Shale →Have there been earthquakes in Atascosa County?
155 earthquakes of magnitude 2 or more were located in the area of Atascosa County's permitted wells in the last 2 years; the largest was M3.8.
Earthquakes in Atascosa County →About this data
Drilling permits from the RRC OGA049M master and daily daf420 files, rebuilt nightly into per-county figures; windows are on the date issued. Disposal from UIC permits and H-10 reports at the last settled month; earthquakes from the TexNet catalog inside the county's located-permit footprint.
Developers: this page as JSON is GET /v1/data/counties/tx/atascosa?days=90, documented in the API reference.