COUNTIES · TEXAS GULF COAST · DISTRICT 03 · CODE 201
Harris County, Texas
Harris County has had no new drilling permits in the past 90 days; the most recent permit on record was issued August 11, 2026.
Rise Petroleum Investments LLC and Frio Resources, LLC each filed one permit in the past 12 months.
One operator filed a first Harris County permit in the past year.
The county has 87 active disposal and injection permits of 561 on file, with 42.9M barrels injected in the 12 months reported through September 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
Email me new permitsAlso: every Harris County well in the statewide list, searchable → · a year of permits on the map →
- 468
- active wells · 5,674 on file
- 47
- operators of the active wells
- 3,526
- plugged wells
Wells by status
5,674 WELLBORES ON FILE
From the RRC wellbore file and the permit record. Other sites count the RRC's map locations, which include dry holes and locations this file does not hold, so their totals differ.
Wells spudded, by year
HorizontalVertical and directional
Drilling permits
- 0
- permits issued, 90d
- -100%
- vs prior 90d (1)
- 0
- operators filing
- —
- horizontal
- —
- avg permitted depth, ft
WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 11, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 120 MONTHS · BY ISSUE DATE
Last 12 months 2 · prior 12 0
Operators by permits, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
| Operator | Permits | Wells |
|---|---|---|
| Rise Petroleum Investments LLC | 1 | 1 |
| Frio Resources, LLC | 1 | 0 |
Full operator directory: 538 operators have filed a permit here since 1977 →
New entrants, last 12 months
Operators whose first permit in Harris County came in the last year. 1 in total.
- Frio Resources, LLC1 permitFeb 13, 2026 · active elsewhere first
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 Miocene (undifferentiated) is reported in 242 wells, median top 2,313 ft, highlighted below. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Frio | 466 | 1 | 5,516 | 3,438–5,906 |
| Miocene (undifferentiated) | 242 | 1 | 2,313 | 600–4,563 |
| Yegua | 220 | 0 | 6,638 | 4,719–10,350 |
| Anahuac | 197 | 0 | 4,958 | 2,920–5,255 |
| Vicksburg | 144 | 0 | 7,589 | 4,352–8,450 |
| Wilcox | 80 | 0 | 9,880 | 9,529–11,281 |
| Jackson | 69 | 0 | 6,490 | 4,327–9,053 |
| Cook Mountain | 45 | 0 | 7,950 | 7,483–9,498 |
| Caprock | 37 | 0 | 840 | 30–2,526 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 87
- active UIC permits of 561
- 1.02M
- permitted bbl/day, active
- 42.9M
- bbl injected, last 12 reported months
- Sep 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
| Permit | Seen | Issued | Operator | Lease / well | Depth | API |
|---|---|---|---|---|---|---|
| 917502 | Aug 13, 2026 | Aug 11, 2026 | Rise Petroleum Investments LLC | JC Stribling #2 | 4,852 | 20101279 |
| 913245 | Feb 13, 2026 | Feb 13, 2026 | Frio Resources, LLC | Brown-Ferris Unit #1 | 14,000 | 20132063 |
| 901056 | Jul 10, 2024 | Jul 10, 2024 | WRD Operating LLC | R J S Unit #7 | 8,365 | 20130797 |
| 899104 | May 24, 2024 | May 24, 2024 | Ballard Exploration Company,inc. | Monument #1 | 13,000 | 20133009 |
| 899035 | Apr 26, 2024 | Apr 26, 2024 | All American Ops LLC | R.H.L. 'X' #2 | 5,200 | 20133008 |
| 899035Amendment | Apr 26, 2024 | Apr 26, 2024 | All American Ops LLC | R.H.L. 'X' #2 | 5,600 | 20133008 |
| 898367 | Apr 2, 2024 | Apr 2, 2024 | All American Ops LLC | R.H.L. 'X' #1 | 5,200 | 20133007 |
| 898367Amendment | Apr 2, 2024 | Apr 2, 2024 | All American Ops LLC | R.H.L. 'X' #1 | 5,600 | 20133007 |
| 894707 | Jan 29, 2024 | Jan 29, 2024 | Castex Energy, Inc. | Susan B. Michalsky et Al #1 | 11,700 | 20133006 |
| 894698 | Oct 24, 2023 | Oct 24, 2023 | Baywater Operating, LLC | State Lease 118426 JP #1 | 13,500 | 20133005 |
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). 0 operators 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?
42.9 million barrels of water were injected in Harris County in the 12 months through September 2025, reported on form H-10. 87 of the county's 561 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
Wells from the RRC wellbore file and the permit record. 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.