COUNTIES · PERMIAN BASIN · DISTRICT 08 · CODE 371

Pecos County, Texas

Pecos County permitting is running 5.3 permits a month over the trailing 90 days (16 total, down 63% 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 9,385 ft (prior year: 1,999 ft); 89% of the past year's permits are horizontal.

The county has 715 active disposal and injection permits, with 329M barrels injected in the 12 months reported through June 2025.

84 earthquakes of magnitude 2 or more were located in the county's permit footprint over the past two years, the largest M3.6.

12,097 drilling permits have been issued in Pecos County since 1977.

12,097 permits on file since 1977 · last issued Nov 4, 2026

Watch Pecos County

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

16
permits issued, 90d
-63%
vs prior 90d (43)
6
operators filing
63%
horizontal
7,511
avg permitted depth, ft
971
operators, all time

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 8, 2026 · WHY ISSUE AND SEEN DATES DIFFER

Permits issued by month

LAST 120 MONTHS · BY ISSUE DATE

Last 12 months 98 · prior 12 107(-8%)

02040602017201820192020202120222023202420252026

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 Pecos County came in the last year. 3 in total.

Permit types, 90d

TypeWindowPriorAll time
Drill12298,139
Reclass3250
Recompletion1123,048

What the types mean →

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 →

In Pecos County the Bone Spring is reported in 245 wells, median top 7,404 ft, highlighted below. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Yates2,850193980660–2,762
Queen2,4352021,3761,136–2,250
San Andres2,2242021,5281,200–2,288
Seven Rivers2,084202986704–1,650
Grayburg1,9481991,3981,162–2,066
Base Cretaceous (marker)1,570182592382–1,787
Rustler961141,300540–1,975
Wolfcamp91734,8352,099–9,755
Toborg4302400100–515
Clear Fork37333,0372,308–3,872
Glorieta35922,8962,264–3,188
Wichita-Albany31634,1013,342–4,652
Devonian30118,6505,418–18,162
Tubb29723,2002,797–3,859
Bone Spring24557,4045,887–8,566

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

715
active UIC permits of 2,433
9.48M
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 →

USGS catalog, Texas

Seismicity, last 2 years

84
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

PermitSeenIssuedOperatorLease / wellDepthAPI
919847Nov 6, 2026Nov 4, 2026Longfellow Energy, LPMcKinley State 138 #15,50037140579
919845Nov 4, 2026Nov 2, 2026Longfellow Energy, LPKatahdin State 22 #16,20037140578
919207AmendmentOct 30, 2026Oct 16, 2026Highmark Energy Operating, LLCExito #4HH9,60037140576
919206AmendmentOct 30, 2026Oct 16, 2026Highmark Energy Operating, LLCExito #3HH9,60037140575
919204AmendmentOct 29, 2026Oct 16, 2026Highmark Energy Operating, LLCExito #2HH9,60037140574
919195AmendmentOct 29, 2026Oct 16, 2026Highmark Energy Operating, LLCExito #1HH9,60037140573
919207Oct 18, 2026Oct 16, 2026Highmark Energy Operating, LLCExito #4HH9,60037140576
919206Oct 18, 2026Oct 16, 2026Highmark Energy Operating, LLCExito #3HH9,60037140575
919204Oct 18, 2026Oct 16, 2026Highmark Energy Operating, LLCExito #2HH9,60037140574
919195Oct 18, 2026Oct 16, 2026Highmark Energy Operating, LLCExito #1HH9,60037140573

All Pecos County permits →

Questions about Pecos County

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

101 permits were issued in Pecos County in the last 12 months, down 14% from 118 in the 12 months before. 89% were for horizontal wells. The most recent was issued Nov 4, 2026. 12,097 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 101, followed by Continental Resources, Inc. (28) and Blue Arrow Operating, LLC (14). 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, including 4,290 active, 5,442 plugged, and 41 permitted and not yet drilled. 1,802 are horizontal. The active wells are under 173 operators.

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. 715 of the county's 2,433 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?

84 earthquakes of magnitude 2 or more were located 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=90, documented in the API reference.