COUNTIES · PERMIAN BASIN · DISTRICT 7C · CODE 451

Tom Green County, Texas

Tom Green County permitting is running 1.3 permits a month over the trailing 90 days (4 total, after a quiet prior quarter). 2 were issued in the past week.

Hibernia Resources IV, 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 70 active disposal and injection permits, with 6.58M 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 M2.0.

3,011 drilling permits have been issued in Tom Green County since 1977.

3,011 permits on file since 1977 · last issued Nov 5, 2026

Email me new permits

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

4
permits issued, 90d
—
vs prior 90d (0)
2
operators filing
100%
horizontal
8,500
avg permitted depth, ft
572
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 10 · prior 12 4(+150%)

0510152017201820192020202120222023202420252026

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, 90d

TypeWindowPriorAll time
Drill402,545

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 →

In Tom Green County the Clear Fork is reported in 216 wells, median top 1,231 ft, highlighted below. Back to the formation →

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

70
active UIC permits of 360
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 →

USGS catalog, Texas

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
919727Nov 7, 2026Nov 5, 2026Hibernia Resources IV, LLCWardlaw C #3HH9,00045132935
919724Nov 7, 2026Nov 5, 2026Hibernia Resources IV, LLCWardlaw B #2HH9,00045132934
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
914541AmendmentAug 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
913648AmendmentFeb 25, 2026Feb 25, 2026Hibernia Resources IV, LLCWardlaw A #1HH9,00045132927

All Tom Green County permits →

Questions about Tom Green County

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

11 permits were issued in Tom Green County in the last 12 months, up 267% from 3 in the 12 months before. 82% were for horizontal wells. The most recent was issued Nov 5, 2026. 3,011 are on file since 1977.

Every Tom Green County permit →

Who is the most active operator in Tom Green County?

By drilling permits filed in the last 12 months, Hibernia Resources IV, LLC is the most active operator in Tom Green County, with 5 of 11, followed by Moriah Operating,llc (4) and Atmos Pipeline - Texas (1). 2 operators filed permits here in the last 90 days.

Operators in Tom Green County →

How many oil and gas wells are in Tom Green County?

3,409 wells are on file in Tom Green County, including 644 active, 2,228 plugged, and 6 permitted and not yet drilled. 24 are horizontal. The active wells are under 54 operators.

Every well in Tom Green County →

How much oil and gas does Tom Green County produce?

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

Leases in Tom Green County →

How much water is injected in Tom Green County?

6.6 million barrels of water were injected in Tom Green County in the 12 months through June 2025, reported on form H-10. 70 of the county's 360 disposal and injection permits are active.

Disposal and injection in Tom Green County →

What formations are drilled in Tom Green County?

Completion filings for wells in Tom Green County report tops for 15 formations in at least ten wells each. The most reported are the Canyon (537 wells, median top 6,695 ft), the Strawn (333 wells, median top 5,470 ft), and the Wolfcamp (325 wells, median top 6,066 ft).

Formations in Tom Green County →

What basin is Tom Green County in?

Petrora lists Tom Green County in the Permian Basin. It is in the Railroad Commission's District 7C.

The Permian Basin →

Have there been earthquakes in Tom Green County?

1 earthquake of magnitude 2 or more was located in the area of Tom Green County's permitted wells in the last 2 years; the largest was M2.0.

Earthquakes in Tom Green 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/tom-green?days=90, documented in the API reference.