COUNTIES · TEXAS GULF COAST · DISTRICT 04 · CODE 489
Willacy County
Willacy County has had no new drilling permits in the past 90 days; the most recent permit on record was issued September 11, 2025.
The county has 33 active disposal and injection permits, with 2.04M barrels injected in the 12 months reported through June 2025.
1,396 drilling permits have been issued in Willacy County since 1977.
1,396 permits on file since 1977 · last issued Sep 11, 2025
Watch Willacy CountyAlso: every Willacy 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
- 159
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 10 MONTHS · BY ISSUE DATE
Last 12 months 11
Operators by well inventory
No permits in the last year; ranked by wells on the RRC wellbore file instead.
New entrants, last 12 months
Operators whose first permit in Willacy County came in the last year. None.
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Willacy County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
Fewer than ten wells in Willacy County report the Catahoula, so it is below this table's cutoff. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Frio | 101 | 0 | 7,580 | 5,320–10,569 |
| Miocene (undifferentiated) | 64 | 0 | 4,892 | 2,276–5,855 |
| Anahuac | 19 | 0 | 5,900 | 5,636–6,900 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 33
- active UIC permits of 173
- 82.1K
- permitted bbl/day, active
- 2.04M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Willacy 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 |
|---|---|---|---|---|---|---|
| 910272 | Sep 11, 2025 | Sep 11, 2025 | Texas Oil and Gas Operating, LLC | Yturria RR #54RR | 4,500 | 48931291 |
| 889398 | Apr 12, 2023 | Apr 12, 2023 | Texas Oil and Gas Operating, LLC | Yturria #51 | 6,000 | 48931290 |
| 889398 | Apr 12, 2023 | Apr 12, 2023 | Texas Oil and Gas Operating, LLC | Yturria #51 | 6,700 | 48931290 |
| 889308 | Mar 24, 2023 | Mar 24, 2023 | Texas Oil and Gas Operating, LLC | Yturria #50 | 6,000 | 48931289 |
| 876404 | Feb 2, 2022 | Feb 2, 2022 | Texas Oil and Gas Operating, LLC | Yturria #25 | 6,200 | 48930949 |
| 876422 | Jan 31, 2022 | Jan 31, 2022 | Texas Oil and Gas Operating, LLC | Yturria Cattle Company #22 | 6,210 | 48930671 |
| 871157 | Jul 14, 2021 | Jul 14, 2021 | Dewbre Petroleum Corporation | Thomas Unit #1 | 12,200 | 48931141 |
| 864731 | Aug 18, 2020 | Aug 18, 2020 | Dewbre Petroleum Corporation | Thomas Unit #2 | 10,500 | 48931176 |
| 863765 | Jun 4, 2020 | Jun 4, 2020 | Texas Oil and Gas Operating, LLC | Yturria #9 | 10,600 | 48931191 |
| 828297 | Jun 30, 2017 | Jun 30, 2017 | Dewbre Petroleum Corporation | Cantu #1 | 6,733 | 48931218 |
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/willacy?days=90, documented in the API reference.