COUNTIES · EAGLE FORD SHALE · DISTRICT 01 · CODE 283
LA Salle County
La Salle County permitting is running 10 permits a month over the trailing 90 days (31 total, down 28% on the prior quarter). 10 were issued in the past week.
EOG Resources, Inc. leads with 21 permits in the past 12 months, one of 15 operators active in the county.
4 operators filed a first La Salle County permit in the past year.
Median permitted depth over the past year is 10,000 ft (prior year: 10,500 ft); 100% of the past year's permits are horizontal.
The county has 42 active disposal and injection permits, with 51.8M barrels injected in the 12 months reported through June 2025.
TexNet located 66 earthquakes of magnitude 2 or more in the county's permit footprint over the past two years, the largest M3.6.
9,397 drilling permits have been issued in La Salle County since 1977.
9,397 permits on file since 1977 · last issued Oct 27, 2026
Watch LA Salle CountyAlso: every LA Salle County well in the statewide list, searchable → · a year of permits on the map →
- 31
- permits issued, 90d
- -28%
- vs prior 90d (43)
- 10
- operators filing
- 100%
- horizontal
- 10,429
- avg permitted depth, ft
- 444
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 115 MONTHS · BY ISSUE DATE
Last 12 months 126 · prior 12 183(-31%)
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
New entrants, last 12 months
Operators whose first permit in LA Salle County came in the last year. 4 in total.
- Sydri Operating, LLC6 permitsMar 19, 2026 · active elsewhere first
- Crescent Energy Operating, LLC4 permitsOct 27, 2026 · active elsewhere first
- Silver Hill Energy Operating LLC4 permitsAug 11, 2026 · active elsewhere first
- Caturus Energy, LLC2 permitsJun 11, 2026 · active elsewhere first
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in LA Salle County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
In LA Salle County the Austin Chalk is reported in 4,313 wells, median top 8,534 ft, highlighted below. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Austin Chalk | 4,313 | 291 | 8,534 | 7,080–10,409 |
| Eagle Ford | 4,219 | 276 | 8,921 | 7,737–10,735 |
| Olmos | 3,530 | 212 | 6,795 | 5,508–8,131 |
| Escondido | 3,056 | 191 | 5,512 | 3,924–6,414 |
| Wilcox | 2,611 | 143 | 3,164 | 2,268–4,727 |
| Queen City | 1,810 | 90 | 1,540 | 852–2,605 |
| Anacacho | 1,566 | 74 | 8,322 | 6,788–9,839 |
| Sparta | 1,306 | 79 | 1,120 | 557–2,351 |
| Yegua | 1,270 | 75 | 600 | 101–945 |
| Carrizo | 603 | 39 | 2,634 | 2,000–3,548 |
| Midway | 414 | 18 | 4,554 | 2,667–5,799 |
| San Miguel | 304 | 6 | 6,518 | 5,837–7,808 |
| Navarro | 115 | 10 | 6,261 | 5,585–8,106 |
| Buda | 108 | 0 | 8,898 | 7,688–11,245 |
| Edwards | 82 | 0 | 10,181 | 8,984–11,113 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 42
- active UIC permits of 153
- 688K
- permitted bbl/day, active
- 51.8M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in LA Salle County →
Permitted volume is a ceiling, not throughput. How to read it →
TexNet catalog via USGS
Seismicity, last 2 years
- 66
- M2+ events in the area
- M3.6
- 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 |
|---|---|---|---|---|---|---|
| 919659 | Oct 30, 2026 | Oct 28, 2026 | Verdun Oil & Gas LLC | Cooke Ranch #F 9HH | 11,000 | 28337967 |
| 919658 | Oct 30, 2026 | Oct 28, 2026 | Verdun Oil & Gas LLC | Cooke Ranch #F 8HH | 11,000 | 28337966 |
| 919657 | Oct 30, 2026 | Oct 28, 2026 | Verdun Oil & Gas LLC | Cooke Ranch #F 7HH | 11,000 | 28337965 |
| 919565 | Oct 29, 2026 | Oct 27, 2026 | Verdun Oil & Gas LLC | Cooke Ranch #F 4HH | 11,000 | 28337958 |
| 919670 | Oct 29, 2026 | Oct 27, 2026 | Crescent Energy Operating, LLC | Washburn Ranch 01 #4HH | 14,000 | 28337964 |
| 919669 | Oct 29, 2026 | Oct 27, 2026 | Crescent Energy Operating, LLC | Washburn Ranch 01 #3HH | 14,000 | 28337963 |
| 919667 | Oct 29, 2026 | Oct 27, 2026 | Crescent Energy Operating, LLC | Washburn Ranch 01 #2HH | 14,000 | 28337962 |
| 919665 | Oct 29, 2026 | Oct 27, 2026 | Crescent Energy Operating, LLC | Washburn Ranch 01 #1HH | 14,000 | 28337961 |
| 919567 | Oct 28, 2026 | Oct 26, 2026 | Verdun Oil & Gas LLC | Cooke Ranch #F 6HH | 11,000 | 28337960 |
| 919566 | Oct 28, 2026 | Oct 26, 2026 | Verdun Oil & Gas LLC | Cooke Ranch #F 5HH | 11,000 | 28337959 |
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/la-salle?days=90, documented in the API reference.