COUNTIES · TEXAS GULF COAST · DISTRICT 03 · CODE 199

Hardin County, Texas

Hardin County permitting is running 1.3 permits a month over the trailing 90 days (4 total, after a quiet prior quarter). 1 was issued in the past week.

Whitehead Resources, Ltd. leads with 6 permits in the past 12 months, one of 5 operators active in the county.

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

Median permitted depth over the past year is 6,000 ft (prior year: 5,100 ft); 0% of the past year's permits are horizontal.

The county has 107 active disposal and injection permits, with 22.2M barrels injected in the 12 months reported through June 2025.

3,455 drilling permits have been issued in Hardin County since 1977.

3,455 permits on file since 1977 · last issued Nov 5, 2026

Email me new permits

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

4
permits issued, 90d
—
vs prior 90d (0)
2
operators filing
0%
horizontal
9,250
avg permitted depth, ft
450
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 11 · prior 12 8(+38%)

05102017201820192020202120222023202420252026

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

Permit types, 90d

TypeWindowPriorAll time
Drill402,513

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

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

In Hardin County the Jackson is reported in 67 wells, median top 5,244 ft, highlighted below. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Miocene (undifferentiated)41151,3601–3,000
Yegua33526,5984,713–9,672
Frio28733,7321,800–6,262
Wilcox10319,6508,847–10,849
Vicksburg9225,6263,554–7,431
Caprock8931,550980–3,381
Jackson6705,2442,560–7,958
Cook Mountain2607,8527,025–9,591

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

107
active UIC permits of 715
431K
permitted bbl/day, active
22.2M
bbl injected, last 12 reported months
Jun 2025
reported through

Every active well, operator, and daily reporter in Hardin 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

All Hardin County permits →

Questions about Hardin County

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

11 permits were issued in Hardin County in the last 12 months, up 22% from 9 in the 12 months before. 0% were for horizontal wells. The most recent was issued Nov 5, 2026. 3,455 are on file since 1977.

Every Hardin County permit →

Who is the most active operator in Hardin County?

By drilling permits filed in the last 12 months, Whitehead Resources, Ltd. is the most active operator in Hardin County, with 6 of 11, followed by Stroud Petroleum, Inc. (2) and Foundation Energy Management LLC (1). 2 operators filed permits here in the last 90 days.

Operators in Hardin County →

How many oil and gas wells are in Hardin County?

5,301 wells are on file in Hardin County, including 960 active, 2,991 plugged, and 7 permitted and not yet drilled. 11 are horizontal. The active wells are under 55 operators.

Every well in Hardin County →

How much oil and gas does Hardin County produce?

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

Leases in Hardin County →

How much water is injected in Hardin County?

22.2 million barrels of water were injected in Hardin County in the 12 months through June 2025, reported on form H-10. 107 of the county's 715 disposal and injection permits are active.

Disposal and injection in Hardin County →

What formations are drilled in Hardin County?

Completion filings for wells in Hardin County report tops for 8 formations in at least ten wells each. The most reported are the Miocene (undifferentiated) (411 wells, median top 1,360 ft), the Yegua (335 wells, median top 6,598 ft), and the Frio (287 wells, median top 3,732 ft).

Formations in Hardin County →

What basin is Hardin County in?

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

The Texas Gulf Coast →

Have there been earthquakes in Hardin County?

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

Earthquakes in Hardin 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/hardin?days=90, documented in the API reference.