COUNTIES · TEXAS GULF COAST · DISTRICT 04 · CODE 131
Duval County, Texas
Duval County permitting is running 0.7 permits a month over the trailing 90 days (2 total, versus 3 in the prior quarter).
KD Energy, LLC leads with 3 permits in the past 12 months, one of 7 operators active in the county.
One operator filed a first Duval County permit in the past year.
Median permitted depth over the past year is 3,475 ft (prior year: 6,258 ft); 0% of the past year's permits are horizontal.
The county has 171 active disposal and injection permits, with 27.1M barrels injected in the 12 months reported through June 2025.
9,642 drilling permits have been issued in Duval County since 1977.
9,642 permits on file since 1977 · last issued Oct 20, 2026
Watch Duval CountyAlso: every Duval County well in the statewide list, searchable → · a year of permits on the map →
- 10
- permits issued, 365d
- +150%
- vs prior 365d (4)
- 7
- operators filing
- 0%
- horizontal
- 5,533
- avg permitted depth, ft
- 961
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 5, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 120 MONTHS · BY ISSUE DATE
Last 12 months 9 · prior 12 5(+80%)
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
New entrants, last 12 months
Operators whose first permit in Duval County came in the last year. 1 in total.
- Magnetar Operating LLC1 permitDec 31, 2025 · active elsewhere first
Permit types, 365d
| Type | Window | Prior | All time |
|---|---|---|---|
| Drill | 8 | 1 | 7,899 |
| Recompletion | 1 | 2 | 1,380 |
| Reclass | 1 | 0 | 4 |
| Field transfer | 0 | 1 | 18 |
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Duval County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Yegua | 453 | 2 | 4,150 | 2,642–6,939 |
| Wilcox | 384 | 1 | 7,984 | 6,950–10,348 |
| Queen City | 381 | 2 | 5,720 | 5,015–6,924 |
| Jackson | 319 | 5 | 2,180 | 1,298–5,103 |
| Frio | 248 | 1 | 1,870 | 726–3,269 |
| Catahoula | 102 | 1 | 1,175 | 429–3,452 |
| Miocene (undifferentiated) | 80 | 0 | 1,000 | 440–2,506 |
| Vicksburg | 67 | 0 | 3,905 | 1,500–5,809 |
| Cook Mountain | 62 | 0 | 4,810 | 4,450–5,099 |
| Sparta | 17 | 0 | 3,398 | 3,072–5,373 |
| Oakville | 16 | 0 | 565 | 176–1,370 |
| Carrizo | 11 | 0 | 8,970 | 7,715–9,540 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 171
- active UIC permits of 1,342
- 682K
- permitted bbl/day, active
- 27.1M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Duval County →
Permitted volume is a ceiling, not throughput. How to read it →
TexNet catalog via USGS
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 |
|---|---|---|---|---|---|---|
| 919386 | Oct 22, 2026 | Oct 20, 2026 | Hurd Enterprises, Ltd. | Southard #1 | 3,500 | 13139704 |
| 917853 | Aug 27, 2026 | Aug 25, 2026 | Texas Southern Petroleum Corp. | Alma 1560 #1 | 4,775 | 13139231 |
| 916615 | Jun 29, 2026 | Jun 29, 2026 | Cimarron Engineering, LLC | Lopez Unit #1 | 3,600 | 13139702 |
| 916672 | Jun 26, 2026 | Jun 26, 2026 | Safari Production Company, Inc. | Mobil Fee #5 | 16,300 | 13138234 |
| 916616 | Jun 24, 2026 | Jun 24, 2026 | Cimarron Engineering, LLC | Blackhawk #1 | 3,450 | 13139703 |
| 913320 | Mar 16, 2026 | Mar 16, 2026 | KD Energy, LLC | Kohler, V. -A- #231 | 2,000 | 13139701 |
| 913319 | Mar 6, 2026 | Mar 6, 2026 | KD Energy, LLC | Kohler, V. -A- #230 | 2,000 | 13139700 |
| 913318 | Mar 6, 2026 | Mar 6, 2026 | KD Energy, LLC | Kohler, V. -A- #229 | 2,000 | 13139699 |
| 912491 | Dec 31, 2025 | Dec 31, 2025 | Magnetar Operating LLC | Conquistador #1 | 14,700 | 13139697 |
| 911734 | Nov 17, 2025 | Nov 17, 2025 | Aurora Resources Corporation | Halh, C.W., Etal #2 D | 3,000 | 13139696 |
Questions about Duval County
How many drilling permits were issued in Duval County in the last 12 months?
10 permits were issued in Duval County in the last 12 months, up 150% from 4 in the 12 months before. 0% were for horizontal wells. The most recent was issued Oct 20, 2026. 9,642 are on file since 1977.
Every Duval County permit →Who is the most active operator in Duval County?
By drilling permits filed in the last 12 months, KD Energy, LLC is the most active operator in Duval County, with 3 of 10, followed by Cimarron Engineering, LLC (2) and Aurora Resources Corporation (1). 2 operators filed permits here in the last 90 days.
Operators in Duval County →How many oil and gas wells are in Duval County?
12,414 wells are on file in Duval County: 773 active, 7,758 plugged, and 7 permitted and not yet drilled. 14 are horizontal, and 89 operators hold them.
Every well in Duval County →How much oil and gas does Duval County produce?
The Railroad Commission files oil and gas production by lease, not by well or by county. Each lease with wells in Duval County is listed with its reported production on the county's Leases tab.
Leases in Duval County →How much water is injected in Duval County?
27.1 million barrels of water were injected in Duval County in the 12 months through June 2025, reported on form H-10. 171 of the county's 1,342 disposal and injection permits are active.
Disposal and injection in Duval County →What formations are drilled in Duval County?
Completion filings for wells in Duval County report tops for 12 formations in at least ten wells each. The most reported are the Yegua (453 wells, median top 4,150 ft), the Wilcox (384 wells, median top 7,984 ft), and the Queen City (381 wells, median top 5,720 ft).
Formations in Duval County →What basin is Duval County in?
Petrora lists Duval County in the Texas Gulf Coast. It is in the Railroad Commission's District 04.
The Texas Gulf Coast →Have there been earthquakes in Duval County?
TexNet located no earthquakes of magnitude 2 or more in the area of Duval County's permitted wells in the last 2 years.
Earthquakes in Duval 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/duval?days=365, documented in the API reference.