COUNTIES · EAGLE FORD SHALE · DISTRICT 02 · CODE 285

Lavaca County, Texas

Lavaca County permitting is running 2.3 permits a month over the trailing 90 days (7 total, down 30% on the prior quarter).

FW Eagle Ford I, LLC leads with 16 permits in the past 12 months, one of 11 operators active in the county.

One operator filed a first Lavaca County permit in the past year.

Median permitted depth over the past year is 14,175 ft (prior year: 14,500 ft); 66% of the past year's permits are horizontal.

The county has 28 active disposal and injection permits, with 8.1M barrels injected in the 12 months reported through June 2025.

1 earthquakes of magnitude 2 or more were located in the county's permit footprint over the past two years, the largest M2.7.

4,504 drilling permits have been issued in Lavaca County since 1977.

4,504 permits on file since 1977 · last issued Oct 27, 2026

Watch Lavaca County

Also: every Lavaca County well in the statewide list, searchable → · a year of permits on the map →

7
permits issued, 90d
-30%
vs prior 90d (10)
4
operators filing
71%
horizontal
13,864
avg permitted depth, ft
686
operators, all time

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 8, 2026 · WHY ISSUE AND SEEN DATES DIFFER

Permits issued by month

LAST 120 MONTHS · BY ISSUE DATE

Last 12 months 42 · prior 12 38(+11%)

010202017201820192020202120222023202420252026

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 Lavaca County came in the last year. 1 in total.

Permit types, 90d

TypeWindowPriorAll time
Drill583,207
Recompletion121,180
Reenter1061

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

Tops reported on completion filings for wells in Lavaca County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →

Fewer than ten wells in Lavaca County report the Simpson, so it is below this table's cutoff. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Wilcox891275,9304,024–8,730
Yegua787233,7401,450–5,500
Frio72492,400400–3,228
Eagle Ford5256211,65010,558–12,625
Vicksburg42681,950550–4,000
Catahoula40471,400200–2,520
Austin Chalk3896211,1279,975–13,007
Anacacho2585810,8389,754–11,699
Miocene (undifferentiated)22611,5121–2,398
Edwards84113,43813,185–13,776
Pecan Gap49010,4129,882–12,410
Midway48510,0007,327–10,533
Navarro45010,4359,027–11,386
Jackson4003,9202,040–4,365
Cook Mountain1316,2822,768–6,838

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

28
active UIC permits of 104
149K
permitted bbl/day, active
8.1M
bbl injected, last 12 reported months
Jun 2025
reported through

Every active well, operator, and daily reporter in Lavaca County →

Permitted volume is a ceiling, not throughput. How to read it →

USGS catalog, Texas

Seismicity, last 2 years

1
M2+ events in the area
M2.7
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
919505Oct 29, 2026Oct 27, 2026FW Eagle Ford I, LLCBlonde SA B #2HH14,50028534384
919504Oct 29, 2026Oct 27, 2026FW Eagle Ford I, LLCBlonde SA A #1HH14,50028534383
919176Oct 22, 2026Oct 20, 2026Hilcorp Energy CompanyL. Kaskie Gas Unit #114,35028532808
919320Oct 22, 2026Oct 20, 2026FW Eagle Ford I, LLCRhino Hunter SA B #2HH14,50028534382
919316Oct 22, 2026Oct 20, 2026FW Eagle Ford I, LLCRhino Hunter SA A #1HH14,50028534381
919177Oct 15, 2026Oct 13, 2026Trio Consulting & Management,llcKallus #2ST10,70028534358
919124Oct 11, 2026Oct 9, 2026Capital Star Oil & Gas, Inc.Lanik 3 #3HH14,00028534380
917215AmendmentSep 6, 2026Jul 22, 2026FW Eagle Ford I, LLCKorriban B #2HH14,50028534379
917215Jul 22, 2026Jul 22, 2026FW Eagle Ford I, LLCKorriban B #2HH14,50028534379
917100AmendmentSep 6, 2026Jul 17, 2026FW Eagle Ford I, LLCKorriban C #201HH14,50028534378

All Lavaca County permits →

Questions about Lavaca County

How many drilling permits were issued in Lavaca County in the last 12 months?

44 permits were issued in Lavaca County in the last 12 months, up 2% from 43 in the 12 months before. 66% were for horizontal wells. The most recent was issued Oct 27, 2026. 4,504 are on file since 1977.

Every Lavaca County permit →

Who is the most active operator in Lavaca County?

By drilling permits filed in the last 12 months, FW Eagle Ford I, LLC is the most active operator in Lavaca County, with 16 of 44, followed by EOG Resources, Inc. (8) and Hilcorp Energy Company (4). 4 operators filed permits here in the last 90 days.

Operators in Lavaca County →

How many oil and gas wells are in Lavaca County?

3,908 wells are on file in Lavaca County, including 850 active, 2,222 plugged, and 18 permitted and not yet drilled. 580 are horizontal. The active wells are under 57 operators.

Every well in Lavaca County →

How much oil and gas does Lavaca County produce?

The Railroad Commission files oil and gas production by lease, not by well or by county. Each lease with wells in Lavaca County is listed with its reported production on the county's Leases tab.

Leases in Lavaca County →

How much water is injected in Lavaca County?

8.1 million barrels of water were injected in Lavaca County in the 12 months through June 2025, reported on form H-10. 28 of the county's 104 disposal and injection permits are active.

Disposal and injection in Lavaca County →

What formations are drilled in Lavaca County?

Completion filings for wells in Lavaca County report tops for 15 formations in at least ten wells each. The most reported are the Wilcox (891 wells, median top 5,930 ft), the Yegua (787 wells, median top 3,740 ft), and the Frio (724 wells, median top 2,400 ft).

Formations in Lavaca County →

What basin is Lavaca County in?

Petrora lists Lavaca County in the Eagle Ford Shale. It is in the Railroad Commission's District 02.

The Eagle Ford Shale →

Have there been earthquakes in Lavaca County?

1 earthquake of magnitude 2 or more was located in the area of Lavaca County's permitted wells in the last 2 years; the largest was M2.7.

Earthquakes in Lavaca 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/lavaca?days=90, documented in the API reference.