COUNTIES · PERMIAN BASIN · DISTRICT 7C · CODE 451

Tom Green County

Tom Green County permitting is running 0.7 permits a month over the trailing 90 days (2 total, versus 1 in the prior quarter).

Moriah Operating,llc leads with 5 permits in the past 12 months, one of 4 operators active in the county.

3 operators filed a first Tom Green County permit in the past year.

Median permitted depth over the past year is 8,900 ft (prior year: 7,500 ft); 82% of the past year's permits are horizontal.

The county has 75 active disposal and injection permits, with 6.58M barrels injected in the 12 months reported through June 2025.

TexNet located 1 earthquakes of magnitude 2 or more in the county's permit footprint over the past two years, the largest M2.0.

3,162 drilling permits have been issued in Tom Green County since 1977.

3,162 permits on file since 1977 · last issued Oct 8, 2026

Watch Tom Green County

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

3
permits issued, 180d
-62%
vs prior 180d (8)
2
operators filing
67%
horizontal
6,933
avg permitted depth, ft
577
operators, all time

WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026 · WHY ISSUE AND SEEN DATES DIFFER

Permits issued by month

LAST 51 MONTHS · BY ISSUE DATE

Last 12 months 18 · prior 12 25(-28%)

01020302017201820192020202120222023202420252026

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 Tom Green County came in the last year. 3 in total.

Permit types, 180d

TypeWindowPriorAll time
Drill292,660

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

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

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Canyon53776,6954,234–7,727
Strawn33315,4704,501–7,076
Wolfcamp32566,0664,115–6,514
San Angelo3207942714–1,241
Dean26505,9555,548–6,326
San Andres2508826516–1,032
Palo Pinto23604,4803,636–6,027
Clear Fork21681,231970–3,294
Cisco17275,2503,120–6,000
Coleman Junction13172,7311,750–3,854
Spraberry7834,7204,340–4,998
Ellenburger5016,7645,238–7,340
Grayburg373440394–566
Queen240220180–901
Base Cretaceous (marker)210222192–375

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

75
active UIC permits of 386
151K
permitted bbl/day, active
6.58M
bbl injected, last 12 reported months
Jun 2025
reported through

Every active well, operator, and daily reporter in Tom Green County →

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

TexNet catalog via USGS

Seismicity, last 2 years

1
M2+ events in the area
M2.0
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
919044Oct 10, 2026Oct 8, 2026Moriah Operating,llcMidway Unit #2HH8,00045132933
919041Oct 9, 2026Oct 7, 2026Moriah Operating,llcBougainville Unit #1HH8,00045132932
915286May 4, 2026May 4, 2026Tischer Energy, LLCWhitehead #V 14,80045132930
914541Aug 19, 2026Apr 8, 2026Moriah Operating,llcCoral Sea Unit #1HH8,90045132929
914535Apr 8, 2026Apr 8, 2026Moriah Operating,llcTarawa Unit #1HH8,90045132928
914541Apr 8, 2026Apr 8, 2026Moriah Operating,llcCoral Sea Unit #1HH8,90045132929
913648Feb 25, 2026Feb 25, 2026Hibernia Resources IV, LLCWardlaw #1HH9,00045132927
913648Feb 25, 2026Feb 25, 2026Hibernia Resources IV, LLCWardlaw A #1HH9,00045132927
912140Dec 18, 2025Dec 18, 2025Hibernia Resources IV, LLCTurner Ranch West #2HH9,00045132926
912139Dec 18, 2025Dec 18, 2025Hibernia Resources IV, LLCTurner Ranch West #1HH9,00045132925

All Tom Green 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/tom-green?days=180, documented in the API reference.