COUNTIES · PERMIAN BASIN · DISTRICT 08 · CODE 495

Winkler County, Texas

Winkler County permitting is running 11 permits a month over the trailing 90 days (32 total, down 40% on the prior quarter). 1 was issued in the past week.

Continental Resources, Inc. leads with 32 permits in the past 12 months, one of 18 operators active in the county.

4 operators filed a first Winkler County permit in the past year.

Median permitted depth over the past year is 11,867 ft (prior year: 9,000 ft); 68% of the past year's permits are horizontal.

The county has 642 active disposal and injection permits, with 177M barrels injected in the 12 months reported through June 2025.

116 earthquakes of magnitude 2 or more were located in the county's permit footprint over the past two years, the largest M3.4.

6,076 drilling permits have been issued in Winkler County since 1977.

6,076 permits on file since 1977 · last issued Nov 5, 2026

Watch Winkler County

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

6
permits issued, 30d
-77%
vs prior 30d (26)
2
operators filing
17%
horizontal
9,117
avg permitted depth, ft
459
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 138 · prior 12 104(+33%)

020402017201820192020202120222023202420252026

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 Winkler County came in the last year. 4 in total.

Permit types, 30d

TypeWindowPriorAll time
Drill5244,259
Recompletion121,230

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

Tops reported on completion filings for wells in Winkler 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
Yates2,357822,4882,355–2,769
Rustler1,52386950770–1,143
San Andres974763,8483,530–4,199
Queen851183,0502,700–3,400
Clear Fork771715,2775,020–5,826
Glorieta746534,9804,680–5,218
Seven Rivers710582,7602,560–3,019
Tansill673112,3002,280–2,387
Delaware511505,0274,390–5,167
Holt398404,7404,500–5,062
Wichita-Albany29846,6586,300–6,919
Devonian275108,4127,722–9,764
Grayburg263143,3803,213–3,650
Wolfcamp219118,0387,170–11,848
Cherry Canyon18965,9075,719–6,226

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

642
active UIC permits of 2,338
3.12M
permitted bbl/day, active
177M
bbl injected, last 12 reported months
Jun 2025
reported through

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

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

USGS catalog, Texas

Seismicity, last 2 years

116
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

All Winkler County permits →

Questions about Winkler County

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

141 permits were issued in Winkler County in the last 12 months, up 38% from 102 in the 12 months before. 68% were for horizontal wells. The most recent was issued Nov 5, 2026. 6,076 are on file since 1977.

Every Winkler County permit →

Who is the most active operator in Winkler County?

By drilling permits filed in the last 12 months, Continental Resources, Inc. is the most active operator in Winkler County, with 32 of 141, followed by Basin Oil & Gas Operating, LLC (30) and Apache Corporation (14). 7 operators filed permits here in the last 90 days.

Operators in Winkler County →

How many oil and gas wells are in Winkler County?

9,527 wells are on file in Winkler County, including 2,294 active, 4,077 plugged, and 94 permitted and not yet drilled. 863 are horizontal. The active wells are under 110 operators.

Every well in Winkler County →

How much oil and gas does Winkler County produce?

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

Leases in Winkler County →

How much water is injected in Winkler County?

177 million barrels of water were injected in Winkler County in the 12 months through June 2025, reported on form H-10. 642 of the county's 2,338 disposal and injection permits are active.

Disposal and injection in Winkler County →

What formations are drilled in Winkler County?

Completion filings for wells in Winkler County report tops for 15 formations in at least ten wells each. The most reported are the Yates (2,357 wells, median top 2,488 ft), the Rustler (1,523 wells, median top 950 ft), and the San Andres (974 wells, median top 3,848 ft).

Formations in Winkler County →

What basin is Winkler County in?

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

The Permian Basin →

Have there been earthquakes in Winkler County?

116 earthquakes of magnitude 2 or more were located in the area of Winkler County's permitted wells in the last 2 years; the largest was M3.4.

Earthquakes in Winkler 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/winkler?days=30, documented in the API reference.