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 CountyAlso: every Tom Green County well in the statewide list, searchable → · a year of permits on the map →
- 2
- permits issued, 90d
- +100%
- vs prior 90d (1)
- 1
- operators filing
- 100%
- horizontal
- 8,000
- 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%)
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
| Operator | Permits | Wells |
|---|---|---|
| Moriah Operating,llc | 5 | 6 |
| Hibernia Resources IV, LLC | 4 | 47 |
| Atmos Pipeline - Texas | 1 | 0 |
| Tischer Energy, LLC | 1 | 0 |
New entrants, last 12 months
Operators whose first permit in Tom Green County came in the last year. 3 in total.
- Hibernia Resources IV, LLC4 permitsDec 18, 2025 · active elsewhere first
- Tischer Energy, LLC1 permitMay 4, 2026 · active elsewhere first
- Atmos Pipeline - Texas1 permitNov 14, 2025 · active elsewhere first
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 Canyon is reported in 537 wells, median top 6,695 ft, highlighted below. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Canyon | 537 | 7 | 6,695 | 4,234–7,727 |
| Strawn | 333 | 1 | 5,470 | 4,501–7,076 |
| Wolfcamp | 325 | 6 | 6,066 | 4,115–6,514 |
| San Angelo | 320 | 7 | 942 | 714–1,241 |
| Dean | 265 | 0 | 5,955 | 5,548–6,326 |
| San Andres | 250 | 8 | 826 | 516–1,032 |
| Palo Pinto | 236 | 0 | 4,480 | 3,636–6,027 |
| Clear Fork | 216 | 8 | 1,231 | 970–3,294 |
| Cisco | 172 | 7 | 5,250 | 3,120–6,000 |
| Coleman Junction | 131 | 7 | 2,731 | 1,750–3,854 |
| Spraberry | 78 | 3 | 4,720 | 4,340–4,998 |
| Ellenburger | 50 | 1 | 6,764 | 5,238–7,340 |
| Grayburg | 37 | 3 | 440 | 394–566 |
| Queen | 24 | 0 | 220 | 180–901 |
| Base Cretaceous (marker) | 21 | 0 | 222 | 192–375 |
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
| Permit | Seen | Issued | Operator | Lease / well | Depth | API |
|---|---|---|---|---|---|---|
| 919044 | Oct 10, 2026 | Oct 8, 2026 | Moriah Operating,llc | Midway Unit #2HH | 8,000 | 45132933 |
| 919041 | Oct 9, 2026 | Oct 7, 2026 | Moriah Operating,llc | Bougainville Unit #1HH | 8,000 | 45132932 |
| 915286 | May 4, 2026 | May 4, 2026 | Tischer Energy, LLC | Whitehead #V 1 | 4,800 | 45132930 |
| 914541 | Aug 19, 2026 | Apr 8, 2026 | Moriah Operating,llc | Coral Sea Unit #1HH | 8,900 | 45132929 |
| 914535 | Apr 8, 2026 | Apr 8, 2026 | Moriah Operating,llc | Tarawa Unit #1HH | 8,900 | 45132928 |
| 914541 | Apr 8, 2026 | Apr 8, 2026 | Moriah Operating,llc | Coral Sea Unit #1HH | 8,900 | 45132929 |
| 913648 | Feb 25, 2026 | Feb 25, 2026 | Hibernia Resources IV, LLC | Wardlaw #1HH | 9,000 | 45132927 |
| 913648 | Feb 25, 2026 | Feb 25, 2026 | Hibernia Resources IV, LLC | Wardlaw A #1HH | 9,000 | 45132927 |
| 912140 | Dec 18, 2025 | Dec 18, 2025 | Hibernia Resources IV, LLC | Turner Ranch West #2HH | 9,000 | 45132926 |
| 912139 | Dec 18, 2025 | Dec 18, 2025 | Hibernia Resources IV, LLC | Turner Ranch West #1HH | 9,000 | 45132925 |
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.