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 County

Also: 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%)

0501001502017201820192020202120222023202420252026

Top operators, last 12 months

By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.

Full operator directory →

New entrants, last 12 months

Operators whose first permit in LA Salle County came in the last year. 4 in total.

Permit types, 90d

TypeWindowPriorAll time
Drill30439,066
Recompletion40236

What the types mean →

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 →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Austin Chalk4,3132918,5347,080–10,409
Eagle Ford4,2192768,9217,737–10,735
Olmos3,5302126,7955,508–8,131
Escondido3,0561915,5123,924–6,414
Wilcox2,6111433,1642,268–4,727
Queen City1,810901,540852–2,605
Anacacho1,566748,3226,788–9,839
Sparta1,306791,120557–2,351
Yegua1,27075600101–945
Carrizo603392,6342,000–3,548
Midway414184,5542,667–5,799
San Miguel30466,5185,837–7,808
Navarro115106,2615,585–8,106
Buda10808,8987,688–11,245
Edwards82010,1818,984–11,113

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

PermitSeenIssuedOperatorLease / wellDepthAPI
919659Oct 30, 2026Oct 28, 2026Verdun Oil & Gas LLCCooke Ranch #F 9HH11,00028337967
919658Oct 30, 2026Oct 28, 2026Verdun Oil & Gas LLCCooke Ranch #F 8HH11,00028337966
919657Oct 30, 2026Oct 28, 2026Verdun Oil & Gas LLCCooke Ranch #F 7HH11,00028337965
919565Oct 29, 2026Oct 27, 2026Verdun Oil & Gas LLCCooke Ranch #F 4HH11,00028337958
919670Oct 29, 2026Oct 27, 2026Crescent Energy Operating, LLCWashburn Ranch 01 #4HH14,00028337964
919669Oct 29, 2026Oct 27, 2026Crescent Energy Operating, LLCWashburn Ranch 01 #3HH14,00028337963
919667Oct 29, 2026Oct 27, 2026Crescent Energy Operating, LLCWashburn Ranch 01 #2HH14,00028337962
919665Oct 29, 2026Oct 27, 2026Crescent Energy Operating, LLCWashburn Ranch 01 #1HH14,00028337961
919567Oct 28, 2026Oct 26, 2026Verdun Oil & Gas LLCCooke Ranch #F 6HH11,00028337960
919566Oct 28, 2026Oct 26, 2026Verdun Oil & Gas LLCCooke Ranch #F 5HH11,00028337959

All LA Salle County permits →

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.