COUNTIES · EAST TEXAS · DISTRICT 05 · CODE 289
Leon County
Leon County permitting is running 3.0 permits a month over the trailing 90 days (9 total, versus 6 in the prior quarter).
Comstock Oil & Gas, LLC leads with 16 permits in the past 12 months, one of 5 operators active in the county.
3 operators filed a first Leon County permit in the past year.
Median permitted depth over the past year is 30,000 ft; 64% of the past year's permits are horizontal.
The county has 60 active disposal and injection permits, with 1.43M barrels injected in the 12 months reported through June 2025.
TexNet located 2 earthquakes of magnitude 2 or more in the county's permit footprint over the past two years, the largest M3.4.
2,710 drilling permits have been issued in Leon County since 1977.
2,710 permits on file since 1977 · last issued Oct 8, 2026
Watch Leon CountyAlso: every Leon County well in the statewide list, searchable → · a year of permits on the map →
- 9
- permits issued, 90d
- +50%
- vs prior 90d (6)
- 2
- operators filing
- 78%
- horizontal
- 26,803
- avg permitted depth, ft
- 373
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 52 MONTHS · BY ISSUE DATE
Last 12 months 37 · prior 12 38(-3%)
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
| Operator | Permits | Wells |
|---|---|---|
| Comstock Oil & Gas, LLC | 16 | 56 |
| Hilcorp Energy Company | 13 | 127 |
| Maximus Operating, Ltd. | 1 | 3 |
| Terrain Water Solutions, LLC | 1 | 1 |
| Barbee, R.L. Operating, Inc. | 1 | 0 |
New entrants, last 12 months
Operators whose first permit in Leon County came in the last year. 3 in total.
- Maximus Operating, Ltd.1 permitJul 16, 2026 · active elsewhere first
- Barbee, R.L. Operating, Inc.1 permitDec 22, 2025 · active elsewhere first
- Terrain Water Solutions, LLC1 permitDec 8, 2025 · active elsewhere first
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Leon County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
In Leon County the Austin Chalk is reported in 538 wells, median top 6,164 ft, highlighted below. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Woodbine | 557 | 33 | 6,700 | 5,667–7,612 |
| Austin Chalk | 538 | 1 | 6,164 | 5,074–7,084 |
| Pettit | 531 | 44 | 9,044 | 8,717–9,840 |
| Travis Peak | 528 | 44 | 9,400 | 9,031–10,292 |
| Buda | 473 | 0 | 7,418 | 5,660–8,390 |
| Glen Rose | 459 | 34 | 8,824 | 7,157–9,611 |
| Rodessa | 266 | 34 | 8,459 | 8,021–9,170 |
| Cotton Valley | 258 | 38 | 12,500 | 11,897–14,873 |
| Bossier | 244 | 38 | 13,300 | 12,846–14,779 |
| Pecan Gap | 242 | 1 | 5,077 | 4,070–6,091 |
| Sub-Clarksville | 227 | 14 | 6,394 | 5,384–7,439 |
| Paluxy | 196 | 0 | 8,874 | 7,084–9,462 |
| BMA | 151 | 8 | 8,167 | 7,957–8,536 |
| Georgetown | 147 | 0 | 7,788 | 7,007–8,545 |
| James Lime | 137 | 0 | 9,213 | 8,770–10,426 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 60
- active UIC permits of 185
- 254K
- permitted bbl/day, active
- 1.43M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Leon County →
Permitted volume is a ceiling, not throughput. How to read it →
TexNet catalog via USGS
Seismicity, last 2 years
- 2
- M2+ events in the area
- M3.4
- 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 |
|---|---|---|---|---|---|---|
| 919172 | Oct 10, 2026 | Oct 8, 2026 | Hilcorp Energy Company | Samet Gas Unit #3 | 16,031 | 28931814 |
| 918464 | Sep 27, 2026 | Sep 25, 2026 | Comstock Oil & Gas, LLC | Haynie FD #1HH | 30,000 | 28932236 |
| 918505 | Sep 16, 2026 | Sep 14, 2026 | Hilcorp Energy Company | Harrell 'C' #4 | 15,200 | 28931938 |
| 918465 | Sep 27, 2026 | Sep 11, 2026 | Comstock Oil & Gas, LLC | Farley HG #1HH | 30,000 | 28932237 |
| 918410 | Sep 13, 2026 | Sep 11, 2026 | Comstock Oil & Gas, LLC | Stroud GV #1HH | 30,000 | 28932235 |
| 918465 | Sep 13, 2026 | Sep 11, 2026 | Comstock Oil & Gas, LLC | Farley HG #1HH | 30,000 | 28932237 |
| 917941 | Aug 27, 2026 | Aug 25, 2026 | Comstock Oil & Gas, LLC | Neyland ML #1HH | 30,000 | 28932234 |
| 917468 | Jul 31, 2026 | Jul 31, 2026 | Comstock Oil & Gas, LLC | Holt MHP B #2HH | 30,000 | 28932233 |
| 917469 | Jul 31, 2026 | Jul 31, 2026 | Comstock Oil & Gas, LLC | Holt MH C #3HH | 30,000 | 28932232 |
| 917040 | Jul 16, 2026 | Jul 16, 2026 | Maximus Operating, Ltd. | Trinity Bluff #1 | 8,999 | 28932231 |
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/leon?days=90, documented in the API reference.