COUNTIES · BARNETT SHALE AND NORTH TEXAS · DISTRICT 09 · CODE 181

Grayson County, Texas

Grayson County permitting is running 2.0 permits a month over the trailing 90 days (6 total, versus 7 in the prior quarter). 1 was issued in the past week.

Atoka Energy LLC leads with 6 permits in the past 12 months, one of 6 operators active in the county.

3 operators filed a first Grayson County permit in the past year.

Median permitted depth over the past year is 8,095 ft (prior year: 7,000 ft); 7% of the past year's permits are horizontal.

The county has 112 active disposal and injection permits, with 7.78M barrels injected in the 12 months reported through September 2025.

1,615 drilling permits have been issued in Grayson County since 1977.

1,615 permits on file since 1977 · last issued Nov 6, 2026

Email me new permits

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

6
permits issued, 90d
-14%
vs prior 90d (7)
3
operators filing
0%
horizontal
5,500
avg permitted depth, ft
274
operators, all time

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 10, 2026 · WHY ISSUE AND SEEN DATES DIFFER

Permits issued by month

LAST 120 MONTHS · BY ISSUE DATE

Last 12 months 15 · prior 12 9(+67%)

02462017201820192020202120222023202420252026

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

Permit types, 90d

TypeWindowPriorAll time
Drill651,071
Reenter0290

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

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

In Grayson County the Goodland is reported in 12 wells, median top 644 ft, highlighted below. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Strawn16153,4101,901–5,000
Viola12008,3537,599–11,758
Atoka7507,7757,302–8,984
Pennsylvanian4217,0364,681–10,411
Ellenburger3717,4654,260–10,676
Base Cretaceous (marker)2101,8071,600–2,160
Woodford15010,7407,423–13,000
Simpson1308,6888,154–11,540
Goodland120644616–1,373
Paluxy120857809–993

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

112
active UIC permits of 457
157K
permitted bbl/day, active
7.78M
bbl injected, last 12 reported months
Sep 2025
reported through

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

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

USGS catalog, Texas

Seismicity, last 2 years

0
M2+ events in the area
—
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
919928Nov 9, 2026Nov 6, 2026Felderhoff Production CompanyRobwright Unit #25,60018131662
919221Oct 16, 2026Oct 14, 2026Kodiak Oil & Gas, Inc.Lime Rock #44,99918131661
919183Oct 11, 2026Oct 9, 2026Felderhoff Production CompanyVarley #85,30018131660
919118Oct 10, 2026Oct 8, 2026Aguila Operating Company LLCReddick #18,20018131659
918890Sep 30, 2026Sep 28, 2026Felderhoff Production CompanyElliott, Laura #33,90018131622
918874Sep 27, 2026Sep 25, 2026Kodiak Oil & Gas, Inc.Arnold #14,99918131658
917370Aug 9, 2026Aug 7, 2026Atoka Energy LLCBrooks-Jewell #110,00018131656
917369AmendmentSep 10, 2026Jul 28, 2026Atoka Energy LLCHazlip #310,00018131655
917369Jul 28, 2026Jul 28, 2026Atoka Energy LLCHazlip #310,00018131655
917371Jul 28, 2026Jul 28, 2026Atoka Energy LLCBrooks-Short #110,00018131657

All Grayson County permits →

Questions about Grayson County

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

15 permits were issued in Grayson County in the last 12 months, up 67% from 9 in the 12 months before. 7% were for horizontal wells. The most recent was issued Nov 6, 2026. 1,615 are on file since 1977.

Every Grayson County permit →

Who is the most active operator in Grayson County?

By drilling permits filed in the last 12 months, Atoka Energy LLC is the most active operator in Grayson County, with 6 of 15, followed by Felderhoff Production Company (3) and BLS Production Co., Inc. (2). 3 operators filed permits here in the last 90 days.

Operators in Grayson County →

How many oil and gas wells are in Grayson County?

2,481 wells are on file in Grayson County, including 723 active, 1,226 plugged, and 14 permitted and not yet drilled. 56 are horizontal. The active wells are under 48 operators.

Every well in Grayson County →

How much oil and gas does Grayson County produce?

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

Leases in Grayson County →

How much water is injected in Grayson County?

7.8 million barrels of water were injected in Grayson County in the 12 months through September 2025, reported on form H-10. 112 of the county's 457 disposal and injection permits are active.

Disposal and injection in Grayson County →

What formations are drilled in Grayson County?

Completion filings for wells in Grayson County report tops for 10 formations in at least ten wells each. The most reported are the Strawn (161 wells, median top 3,410 ft), the Viola (120 wells, median top 8,353 ft), and the Atoka (75 wells, median top 7,775 ft).

Formations in Grayson County →

What basin is Grayson County in?

Petrora lists Grayson County in the Barnett Shale and North Texas. It is in the Railroad Commission's District 09.

The Barnett Shale and North Texas →

Have there been earthquakes in Grayson County?

No earthquakes of magnitude 2 or more were located in the area of Grayson County's permitted wells in the last 2 years.

Earthquakes in Grayson 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/grayson?days=90, documented in the API reference.