COUNTIES · TEXAS GULF COAST · DISTRICT 03 · CODE 201

Harris County, Texas

Harris County permitting is running 0.3 permits a month over the trailing 90 days (1 total, after a quiet prior quarter).

Rise Petroleum Investments LLC leads with 1 permit in the past 12 months, one of 2 operators active in the county.

One operator filed a first Harris County permit in the past year.

Median permitted depth over the past year is 9,426 ft; 0% of the past year's permits are horizontal.

The county has 88 active disposal and injection permits, with 42M barrels injected in the 12 months reported through June 2025.

3,514 drilling permits have been issued in Harris County since 1977.

3,514 permits on file since 1977 · last issued Aug 11, 2026

Watch Harris County

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

1
permits issued, 90d
—
vs prior 90d (0)
1
operators filing
0%
horizontal
4,852
avg permitted depth, ft
538
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 2 · prior 12 0

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 Harris County came in the last year. 1 in total.

Permit types, 90d

TypeWindowPriorAll time
Reenter10127

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

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

In Harris County the Jackson is reported in 69 wells, median top 6,490 ft, highlighted below. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Frio46615,5163,438–5,906
Miocene (undifferentiated)24212,313600–4,563
Yegua22006,6384,719–10,350
Anahuac19704,9582,920–5,255
Vicksburg14407,5894,352–8,450
Wilcox8009,8809,529–11,281
Jackson6906,4904,327–9,053
Cook Mountain4507,9507,483–9,498
Caprock37084030–2,526

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

88
active UIC permits of 560
1.02M
permitted bbl/day, active
42M
bbl injected, last 12 reported months
Jun 2025
reported through

Every active well, operator, and daily reporter in Harris 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
917502Aug 13, 2026Aug 11, 2026Rise Petroleum Investments LLCJC Stribling #24,85220101279
913245Feb 13, 2026Feb 13, 2026Frio Resources, LLCBrown-Ferris Unit #114,00020132063
901056Jul 10, 2024Jul 10, 2024WRD Operating LLCR J S Unit #78,36520130797
899104May 24, 2024May 24, 2024Ballard Exploration Company,inc.Monument #113,00020133009
899035Apr 26, 2024Apr 26, 2024All American Ops LLCR.H.L. 'X' #25,20020133008
899035AmendmentApr 26, 2024Apr 26, 2024All American Ops LLCR.H.L. 'X' #25,60020133008
898367Apr 2, 2024Apr 2, 2024All American Ops LLCR.H.L. 'X' #15,20020133007
898367AmendmentApr 2, 2024Apr 2, 2024All American Ops LLCR.H.L. 'X' #15,60020133007
894707Jan 29, 2024Jan 29, 2024Castex Energy, Inc.Susan B. Michalsky et Al #111,70020133006
894698Oct 24, 2023Oct 24, 2023Baywater Operating, LLCState Lease 118426 JP #113,50020133005

All Harris County permits →

Questions about Harris County

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

2 permits were issued in Harris County in the last 12 months. 0% were for horizontal wells. The most recent was issued Aug 11, 2026. 3,514 are on file since 1977.

Every Harris County permit →

Who is the most active operator in Harris County?

By drilling permits filed in the last 12 months, Rise Petroleum Investments LLC is the most active operator in Harris County, with 1 of 2, followed by Frio Resources, LLC (1). 1 operator filed permits here in the last 90 days.

Operators in Harris County →

How many oil and gas wells are in Harris County?

5,674 wells are on file in Harris County, including 468 active, 3,526 plugged, and 1 permitted and not yet drilled. 17 are horizontal. The active wells are under 47 operators.

Every well in Harris County →

How much oil and gas does Harris County produce?

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

Leases in Harris County →

How much water is injected in Harris County?

42.0 million barrels of water were injected in Harris County in the 12 months through June 2025, reported on form H-10. 88 of the county's 560 disposal and injection permits are active.

Disposal and injection in Harris County →

What formations are drilled in Harris County?

Completion filings for wells in Harris County report tops for 9 formations in at least ten wells each. The most reported are the Frio (466 wells, median top 5,516 ft), the Miocene (undifferentiated) (242 wells, median top 2,313 ft), and the Yegua (220 wells, median top 6,638 ft).

Formations in Harris County →

What basin is Harris County in?

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

The Texas Gulf Coast →

Have there been earthquakes in Harris County?

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

Earthquakes in Harris 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/harris?days=90, documented in the API reference.