COUNTIES · PERMIAN BASIN · DISTRICT 08 · CODE 003

Andrews County, Texas

Andrews County permitting is running 16 permits a month over the trailing 90 days (49 total, down 43% on the prior quarter).

Fasken Oil and Ranch, Ltd. leads with 71 permits in the past 12 months, one of 18 operators active in the county.

2 operators filed a first Andrews County permit in the past year.

Median permitted depth over the past year is 10,500 ft; 85% of the past year's permits are horizontal.

The county has 2,502 active disposal and injection permits, with 315M barrels injected in the 12 months reported through June 2025.

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

23,484 drilling permits have been issued in Andrews County since 1977.

23,484 permits on file since 1977 · last issued Oct 22, 2026

Watch Andrews County

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

1
permits issued, 30d
-92%
vs prior 30d (13)
1
operators filing
0%
horizontal
9,000
avg permitted depth, ft
720
operators, all time

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 7, 2026 · WHY ISSUE AND SEEN DATES DIFFER

Permits issued by month

LAST 120 MONTHS · BY ISSUE DATE

Last 12 months 215 · prior 12 230(-7%)

0501002017201820192020202120222023202420252026

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 Andrews County came in the last year. 2 in total.

Permit types, 30d

TypeWindowPriorAll time
Drill11219,705
Recompletion012,941

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

Tops reported on completion filings for wells in Andrews County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
San Andres10,4522834,4764,235–4,858
Grayburg7,8682484,2594,022–4,670
Yates7,1322752,9152,740–3,149
Queen4,9042273,8953,500–4,372
Clear Fork4,6222436,4865,566–7,066
Seven Rivers2,9142033,1262,988–3,450
Glorieta2,4321635,5355,155–5,961
Wolfcamp2,256208,9807,891–9,872
Rustler1,963271,7281,408–2,020
Tubb1,924146,4946,042–6,838
Wichita-Albany1,51897,0206,642–7,460
Spraberry1,276188,4088,164–8,610
Strawn1,266710,9249,422–11,087
Devonian942118,8887,638–12,231
Dean64279,6139,382–9,735

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

2,502
active UIC permits of 5,836
8.72M
permitted bbl/day, active
315M
bbl injected, last 12 reported months
Jun 2025
reported through

Every active well, operator, and daily reporter in Andrews County →

Permitted volume is a ceiling, not throughput. How to read it →

USGS catalog, Texas

Seismicity, last 2 years

74
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

All Andrews County permits →

Questions about Andrews County

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

241 permits were issued in Andrews County in the last 12 months, up 2% from 236 in the 12 months before. 85% were for horizontal wells. The most recent was issued Oct 22, 2026. 23,484 are on file since 1977.

Every Andrews County permit →

Who is the most active operator in Andrews County?

By drilling permits filed in the last 12 months, Fasken Oil and Ranch, Ltd. is the most active operator in Andrews County, with 71 of 241, followed by COG Operating LLC (44) and Sabalo II Operating, LLC (37). 10 operators filed permits here in the last 90 days.

Operators in Andrews County →

How many oil and gas wells are in Andrews County?

26,037 wells are on file in Andrews County, including 9,440 active, 7,787 plugged, and 98 permitted and not yet drilled. 2,090 are horizontal. The active wells are under 159 operators.

Every well in Andrews County →

How much oil and gas does Andrews County produce?

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

Leases in Andrews County →

How much water is injected in Andrews County?

315 million barrels of water were injected in Andrews County in the 12 months through June 2025, reported on form H-10. 2,502 of the county's 5,836 disposal and injection permits are active.

Disposal and injection in Andrews County →

What formations are drilled in Andrews County?

Completion filings for wells in Andrews County report tops for 15 formations in at least ten wells each. The most reported are the San Andres (10,452 wells, median top 4,476 ft), the Grayburg (7,868 wells, median top 4,259 ft), and the Yates (7,132 wells, median top 2,915 ft).

Formations in Andrews County →

What basin is Andrews County in?

Petrora lists Andrews County in the Permian Basin. It is in the Railroad Commission's District 08.

The Permian Basin →

Have there been earthquakes in Andrews County?

74 earthquakes of magnitude 2 or more were located in the area of Andrews County's permitted wells in the last 2 years; the largest was M3.6.

Earthquakes in Andrews 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/andrews?days=30, documented in the API reference.