COUNTIES · TEXAS GULF COAST · DISTRICT 03 · CODE 477
Washington County, Texas
Washington County permitting is running 8.0 permits a month over the trailing 90 days (24 total, versus 8 in the prior quarter).
Magnolia Oil & Gas Operating LLC leads with 27 permits in the past 12 months, one of 3 operators active in the county.
One operator filed a first Washington County permit in the past year.
Median permitted depth over the past year is 12,000 ft; 64% of the past year's permits are horizontal.
The county has 4 active disposal and injection permits, with 6.38M barrels injected in the 12 months reported through June 2025.
1,251 drilling permits have been issued in Washington County since 1977.
1,251 permits on file since 1977 · last issued Oct 29, 2026
Watch Washington CountyAlso: every Washington County well in the statewide list, searchable → · a year of permits on the map →
- 24
- permits issued, 90d
- +200%
- vs prior 90d (8)
- 2
- operators filing
- 29%
- horizontal
- 4,917
- avg permitted depth, ft
- 200
- 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 44 · prior 12 22(+100%)
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
| Operator | Permits | Wells |
|---|---|---|
| Magnolia Oil & Gas Operating LLC | 27 | 320 |
| Aethon Energy Operating LLC | 17 | 153 |
| Geosouthern Operating II, LLC | 3 | 45 |
New entrants, last 12 months
Operators whose first permit in Washington County came in the last year. 1 in total.
- Aethon Energy Operating LLC17 permitsAug 25, 2026 · active elsewhere first
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Washington County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
In Washington County the Buda is reported in 36 wells, median top 12,392 ft, highlighted below. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Austin Chalk | 551 | 38 | 11,144 | 9,718–14,276 |
| Pecan Gap | 325 | 37 | 9,668 | 8,931–12,136 |
| Wilcox | 286 | 36 | 3,666 | 1,850–5,598 |
| Navarro | 191 | 25 | 7,975 | 7,493–10,240 |
| Midway | 189 | 38 | 7,112 | 6,538–9,505 |
| Taylor | 121 | 32 | 8,721 | 7,981–11,835 |
| Eagle Ford | 68 | 0 | 10,890 | 10,158–12,345 |
| Queen City | 55 | 0 | 1,224 | 1,074–1,485 |
| Sparta | 53 | 0 | 1,112 | 948–1,311 |
| Georgetown | 50 | 0 | 12,584 | 10,557–14,745 |
| Caprock | 49 | 0 | 2,410 | 2,410–3,394 |
| Weches | 38 | 0 | 1,175 | 1,022–1,282 |
| Buda | 36 | 0 | 12,392 | 10,508–14,786 |
| Reklaw | 15 | 0 | 1,483 | 1,224–1,614 |
| Edwards | 12 | 0 | 12,508 | 11,605–13,031 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 4
- active UIC permits of 30
- 65.5K
- permitted bbl/day, active
- 6.38M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Washington 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 |
|---|---|---|---|---|---|---|
| 919748 | Oct 31, 2026 | Oct 29, 2026 | Aethon Energy Operating LLC | Clay Creek East Unit #530 | 2,000 | 47731372 |
| 918225 | Sep 4, 2026 | Sep 2, 2026 | Aethon Energy Operating LLC | Clay Creek East Unit #633 | 2,000 | 47731370 |
| 918223 | Sep 2, 2026 | Aug 31, 2026 | Aethon Energy Operating LLC | Clay Creek East Unit #631 | 2,000 | 47731369 |
| 918198 | Sep 2, 2026 | Aug 31, 2026 | Aethon Energy Operating LLC | Clay Creek East Unit #630 | 2,000 | 47731368 |
| 918197 | Sep 2, 2026 | Aug 31, 2026 | Aethon Energy Operating LLC | Clay Creek East Unit #629 | 2,000 | 47731367 |
| 918166 | Sep 2, 2026 | Aug 31, 2026 | Aethon Energy Operating LLC | Clay Creek East Unit #529 | 2,000 | 47731366 |
| 918165 | Sep 2, 2026 | Aug 31, 2026 | Aethon Energy Operating LLC | Clay Creek East Unit #528 | 2,000 | 47731365 |
| 918160 | Sep 2, 2026 | Aug 31, 2026 | Aethon Energy Operating LLC | Clay Creek East Unit #526 | 2,000 | 47731364 |
| 918157 | Sep 2, 2026 | Aug 31, 2026 | Aethon Energy Operating LLC | Clay Creek East Unit #525 | 2,000 | 47731363 |
| 918144 | Sep 2, 2026 | Aug 31, 2026 | Aethon Energy Operating LLC | Clay Creek East Unit #128 | 2,000 | 47731362 |
Questions about Washington County
How many drilling permits were issued in Washington County in the last 12 months?
47 permits were issued in Washington County in the last 12 months, up 135% from 20 in the 12 months before. 64% were for horizontal wells. The most recent was issued Oct 29, 2026. 1,251 are on file since 1977.
Every Washington County permit →Who is the most active operator in Washington County?
By drilling permits filed in the last 12 months, Magnolia Oil & Gas Operating LLC is the most active operator in Washington County, with 27 of 47, followed by Aethon Energy Operating LLC (17) and Geosouthern Operating II, LLC (3). 2 operators filed permits here in the last 90 days.
Operators in Washington County →How many oil and gas wells are in Washington County?
1,228 wells are on file in Washington County, including 479 active, 440 plugged, and 25 permitted and not yet drilled. 540 are horizontal. The active wells are under 16 operators.
Every well in Washington County →How much oil and gas does Washington County produce?
The Railroad Commission files oil and gas production by lease, not by well or by county. Each lease with wells in Washington County is listed with its reported production on the county's Leases tab.
Leases in Washington County →How much water is injected in Washington County?
6.4 million barrels of water were injected in Washington County in the 12 months through June 2025, reported on form H-10. 4 of the county's 30 disposal and injection permits are active.
Disposal and injection in Washington County →What formations are drilled in Washington County?
Completion filings for wells in Washington County report tops for 15 formations in at least ten wells each. The most reported are the Austin Chalk (551 wells, median top 11,144 ft), the Pecan Gap (325 wells, median top 9,668 ft), and the Wilcox (286 wells, median top 3,666 ft).
Formations in Washington County →What basin is Washington County in?
Petrora lists Washington County in the Texas Gulf Coast. It is in the Railroad Commission's District 03.
The Texas Gulf Coast →Have there been earthquakes in Washington County?
No earthquakes of magnitude 2 or more were located in the area of Washington County's permitted wells in the last 2 years.
Earthquakes in Washington 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/washington?days=90, documented in the API reference.