COUNTIES · PERMIAN BASIN · DISTRICT 08 · CODE 371
Pecos County, Texas
Pecos County permitting is running 6.7 permits a month over the trailing 90 days (20 total, down 53% on the prior quarter). 2 were issued in the past week.
Kinder Morgan Production Co LLC leads with 36 permits in the past 12 months, one of 13 operators active in the county.
3 operators filed a first Pecos County permit in the past year.
Median permitted depth over the past year is 9,450 ft (prior year: 1,999 ft); 90% of the past year's permits are horizontal.
The county has 719 active disposal and injection permits, with 329M barrels injected in the 12 months reported through June 2025.
TexNet located 83 earthquakes of magnitude 2 or more in the county's permit footprint over the past two years, the largest M3.6.
13,536 drilling permits have been issued in Pecos County since 1977.
13,536 permits on file since 1977 · last issued Nov 4, 2026
Watch Pecos CountyAlso: every Pecos County well in the statewide list, searchable → · a year of permits on the map →
- 11
- permits issued, 30d
- +57%
- vs prior 30d (7)
- 3
- operators filing
- 73%
- horizontal
- 8,078
- avg permitted depth, ft
- 978
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 6, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 120 MONTHS · BY ISSUE DATE
Last 12 months 105 · prior 12 112(-6%)
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
New entrants, last 12 months
Operators whose first permit in Pecos County came in the last year. 3 in total.
- Highmark Energy Operating, LLC8 permitsOct 16, 2026 · active elsewhere first
- Swordfish Energy Operating, LLC2 permitsJun 25, 2026 · new to Texas permits
- Holladay #2, LLC1 permitDec 9, 2025 · new to Texas permits
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Pecos County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Yates | 2,850 | 193 | 980 | 660–2,762 |
| Queen | 2,435 | 202 | 1,376 | 1,136–2,250 |
| San Andres | 2,224 | 202 | 1,528 | 1,200–2,288 |
| Seven Rivers | 2,084 | 202 | 986 | 704–1,650 |
| Grayburg | 1,948 | 199 | 1,398 | 1,162–2,066 |
| Base Cretaceous (marker) | 1,570 | 182 | 592 | 382–1,787 |
| Rustler | 961 | 14 | 1,300 | 540–1,975 |
| Wolfcamp | 917 | 3 | 4,835 | 2,099–9,755 |
| Toborg | 430 | 2 | 400 | 100–515 |
| Clear Fork | 373 | 3 | 3,037 | 2,308–3,872 |
| Glorieta | 359 | 2 | 2,896 | 2,264–3,188 |
| Wichita-Albany | 316 | 3 | 4,101 | 3,342–4,652 |
| Devonian | 301 | 1 | 8,650 | 5,418–18,162 |
| Tubb | 297 | 2 | 3,200 | 2,797–3,859 |
| Bone Spring | 245 | 5 | 7,404 | 5,887–8,566 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 719
- active UIC permits of 2,446
- 9.5M
- permitted bbl/day, active
- 329M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Pecos County →
Permitted volume is a ceiling, not throughput. How to read it →
TexNet catalog via USGS
Seismicity, last 2 years
- 83
- M2+ events in the area
- M3.6
- 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 |
|---|---|---|---|---|---|---|
| 919847 | Nov 6, 2026 | Nov 4, 2026 | Longfellow Energy, LP | McKinley State 138 #1 | 5,500 | 37140579 |
| 919845 | Nov 4, 2026 | Nov 2, 2026 | Longfellow Energy, LP | Katahdin State 22 #1 | 6,200 | 37140578 |
| 919207 | Oct 30, 2026 | Oct 16, 2026 | Highmark Energy Operating, LLC | Exito #4HH | 9,600 | 37140576 |
| 919206 | Oct 30, 2026 | Oct 16, 2026 | Highmark Energy Operating, LLC | Exito #3HH | 9,600 | 37140575 |
| 919204 | Oct 29, 2026 | Oct 16, 2026 | Highmark Energy Operating, LLC | Exito #2HH | 9,600 | 37140574 |
| 919195 | Oct 29, 2026 | Oct 16, 2026 | Highmark Energy Operating, LLC | Exito #1HH | 9,600 | 37140573 |
| 919207 | Oct 18, 2026 | Oct 16, 2026 | Highmark Energy Operating, LLC | Exito #4HH | 9,600 | 37140576 |
| 919206 | Oct 18, 2026 | Oct 16, 2026 | Highmark Energy Operating, LLC | Exito #3HH | 9,600 | 37140575 |
| 919204 | Oct 18, 2026 | Oct 16, 2026 | Highmark Energy Operating, LLC | Exito #2HH | 9,600 | 37140574 |
| 919195 | Oct 18, 2026 | Oct 16, 2026 | Highmark Energy Operating, LLC | Exito #1HH | 9,600 | 37140573 |
Questions about Pecos County
How many drilling permits were issued in Pecos County in the last 12 months?
109 permits were issued in Pecos County in the last 12 months, down 11% from 122 in the 12 months before. 90% were for horizontal wells. The most recent was issued Nov 4, 2026. 13,536 are on file since 1977.
Every Pecos County permit →Who is the most active operator in Pecos County?
By drilling permits filed in the last 12 months, Kinder Morgan Production Co LLC is the most active operator in Pecos County, with 36 of 109, followed by Continental Resources, Inc. (28) and Blue Arrow Operating, LLC (17). 6 operators filed permits here in the last 90 days.
Operators in Pecos County →How many oil and gas wells are in Pecos County?
14,413 wells are on file in Pecos County: 4,290 active, 5,442 plugged, and 42 permitted and not yet drilled. 1,803 are horizontal, and 173 operators hold them.
Every well in Pecos County →How much oil and gas does Pecos County produce?
The Railroad Commission files oil and gas production by lease, not by well or by county. Each lease with wells in Pecos County is listed with its reported production on the county's Leases tab.
Leases in Pecos County →How much water is injected in Pecos County?
329 million barrels of water were injected in Pecos County in the 12 months through June 2025, reported on form H-10. 719 of the county's 2,446 disposal and injection permits are active.
Disposal and injection in Pecos County →What formations are drilled in Pecos County?
Completion filings for wells in Pecos County report tops for 15 formations in at least ten wells each. The most reported are the Yates (2,850 wells, median top 980 ft), the Queen (2,435 wells, median top 1,376 ft), and the San Andres (2,224 wells, median top 1,528 ft).
Formations in Pecos County →What basin is Pecos County in?
Petrora lists Pecos County in the Permian Basin. It is in the Railroad Commission's District 08.
The Permian Basin →Have there been earthquakes in Pecos County?
TexNet located 83 earthquakes of magnitude 2 or more in the area of Pecos County's permitted wells in the last 2 years; the largest was M3.6.
Earthquakes in Pecos 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/pecos?days=30, documented in the API reference.