COUNTIES · TEXAS GULF COAST · DISTRICT 03 · CODE 373

Polk County, Texas

Polk County has had no new drilling permits in the past 90 days; the most recent permit on record was issued February 6, 2026.

Prime Operating Company leads with 1 permit in the past 12 months, the only operator active in the county.

Median permitted depth over the past year is 9,512 ft (prior year: 8,000 ft); 0% of the past year's permits are horizontal.

The county has 42 active disposal and injection permits, with 6.2M barrels injected in the 12 months reported through June 2025.

1,281 drilling permits have been issued in Polk County since 1977.

1,281 permits on file since 1977 · last issued Feb 6, 2026

Email me new permits

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

0
permits issued, 90d
—
vs prior 90d (0)
0
operators filing
—
horizontal
—
avg permitted depth, ft
211
operators, all time

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 9, 2026 · WHY ISSUE AND SEEN DATES DIFFER

Permits issued by month

LAST 120 MONTHS · BY ISSUE DATE

Last 12 months 1 · prior 12 5(-80%)

0242017201820192020202120222023202420252026

Top operators, last 12 months

By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.

OperatorPermitsWells
Prime Operating Company175

Full operator directory →

New entrants, last 12 months

Operators whose first permit in Polk County came in the last year. None.

Permit types, 90d

TypeWindowPriorAll time

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

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

In Polk County the Jackson is reported in 118 wells, median top 3,750 ft, highlighted below. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Yegua353114,7003,350–5,345
Wilcox28226,8985,916–8,138
Austin Chalk141013,66612,300–14,120
Jackson11883,7502,719–4,758
Frio11292,8461,443–3,718
Woodbine109013,96512,332–14,513
Midway82010,7219,366–11,645
Sparta7536,2805,804–7,060
Vicksburg6134,0303,303–4,237
Miocene (undifferentiated)5821,7701–3,002
Queen City3837,6162,400–7,854
Navarro34012,31010,985–12,696
Catahoula2912,7001,964–3,158
Anacacho24012,62612,014–13,214
Taylor16012,98412,118–13,434

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

42
active UIC permits of 112
223K
permitted bbl/day, active
6.2M
bbl injected, last 12 reported months
Jun 2025
reported through

Every active well, operator, and daily reporter in Polk 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
913208Feb 6, 2026Feb 6, 2026Prime Operating CompanyWing, Sarah F. #809,51237330809
911077Oct 22, 2025Oct 22, 2025Arcadia Operating, LLCKirby West 'C' #38,00037330620
908706Sep 10, 2025Sep 10, 2025H.E.R. Operating, LLCPixley #13,10037330492
906463Mar 12, 2025Mar 12, 2025Arcadia Operating, LLCBull Run Unit #18,90037331365
905664Feb 5, 2025Feb 5, 2025Arcadia Operating, LLCKirby Lumber Co. #5R5,00037331330
904475Dec 16, 2024Dec 16, 2024Ventex Operating Corp.Tomcat #112,00037331364
904475AmendmentDec 16, 2024Dec 16, 2024Ventex Operating Corp.Tomcat #112,00037331364
903221Oct 16, 2024Oct 16, 2024Prime Operating CompanyWing, Sarah F. #1611,70037331308
902731Sep 20, 2024Sep 20, 2024Arcadia Operating, LLCChevron #17,40037331169
900931Aug 23, 2024Aug 23, 2024Square Mile Energy, L.L.C.Hockley #29,56037331315

All Polk County permits →

Questions about Polk County

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

1 permit was issued in Polk County in the last 12 months, down 80% from 5 in the 12 months before. 0% were for horizontal wells. The most recent was issued Feb 6, 2026. 1,281 are on file since 1977.

Every Polk County permit →

Who is the most active operator in Polk County?

By drilling permits filed in the last 12 months, Prime Operating Company is the most active operator in Polk County, with 1 of 1. 0 operators filed permits here in the last 90 days.

Operators in Polk County →

How many oil and gas wells are in Polk County?

1,409 wells are on file in Polk County, including 271 active and 734 plugged. 73 are horizontal. The active wells are under 29 operators.

Every well in Polk County →

How much oil and gas does Polk County produce?

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

Leases in Polk County →

How much water is injected in Polk County?

6.2 million barrels of water were injected in Polk County in the 12 months through June 2025, reported on form H-10. 42 of the county's 112 disposal and injection permits are active.

Disposal and injection in Polk County →

What formations are drilled in Polk County?

Completion filings for wells in Polk County report tops for 15 formations in at least ten wells each. The most reported are the Yegua (353 wells, median top 4,700 ft), the Wilcox (282 wells, median top 6,898 ft), and the Austin Chalk (141 wells, median top 13,666 ft).

Formations in Polk County →

What basin is Polk County in?

Petrora lists Polk County in the Texas Gulf Coast. It is in the Railroad Commission's District 03.

The Texas Gulf Coast →

Have there been earthquakes in Polk County?

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

Earthquakes in Polk 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/polk?days=90, documented in the API reference.