COUNTIES · PERMIAN BASIN · DISTRICT 08 · CODE 135
Ector County
Ector County permitting is running 24 permits a month over the trailing 90 days (72 total, up 227% on the prior quarter). 1 was issued in the past week.
Diamondback E&P LLC leads with 62 permits in the past 12 months, one of 18 operators active in the county.
4 operators filed a first Ector County permit in the past year.
Median permitted depth over the past year is 11,630 ft (prior year: 11,800 ft); 91% of the past year's permits are horizontal.
The county has 3,022 active disposal and injection permits, with 262M barrels injected in the 12 months reported through June 2025.
TexNet located 38 earthquakes of magnitude 2 or more in the county's permit footprint over the past two years, the largest M3.5.
16,147 drilling permits have been issued in Ector County since 1977.
16,147 permits on file since 1977 · last issued Oct 27, 2026
Watch Ector CountyAlso: every Ector County well in the statewide list, searchable → · a year of permits on the map →
- 72
- permits issued, 90d
- +227%
- vs prior 90d (22)
- 12
- operators filing
- 89%
- horizontal
- 11,083
- avg permitted depth, ft
- 524
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 116 MONTHS · BY ISSUE DATE
Last 12 months 238 · prior 12 152(+57%)
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
| Operator | Permits | Wells |
|---|---|---|
| Diamondback E&P LLC | 62 | 804 |
| Continental Resources, Inc. | 44 | 42 |
| Occidental Permian Ltd. | 24 | 3,166 |
| Ovintiv USA Inc. | 18 | 43 |
| Firebird Energy II LLC | 17 | 9 |
| Arrington Oil&gas Operating LLC | 12 | 0 |
| COG Operating LLC | 4 | 167 |
| Ring Energy, Inc. | 3 | 282 |
| Davis Southern Operating Co LLC | 3 | 3 |
| Basin Oil & Gas Operating, LLC | 2 | 226 |
New entrants, last 12 months
Operators whose first permit in Ector County came in the last year. 4 in total.
- Basin Oil & Gas Operating, LLC2 permitsJul 17, 2026 · active elsewhere first
- Atmos Pipeline - Texas1 permitAug 25, 2026 · active elsewhere first
- Phillips 66 Company1 permitApr 15, 2026 · active elsewhere first
- Condor Operating Company, LLC1 permitFeb 18, 2026 · new to Texas permits
Permit types, 90d
| Type | Window | Prior | All time |
|---|---|---|---|
| Drill | 59 | 29 | 12,919 |
| Recompletion | 3 | 2 | 2,468 |
| Reenter | 3 | 0 | 319 |
| Reclass | 0 | 1 | 73 |
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Ector 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 |
|---|---|---|---|---|
| San Andres | 6,493 | 99 | 4,124 | 3,478–4,790 |
| Grayburg | 5,602 | 79 | 3,960 | 3,620–4,400 |
| Clear Fork | 4,633 | 87 | 5,472 | 5,291–7,177 |
| Yates | 4,546 | 87 | 2,784 | 2,280–3,060 |
| Queen | 2,854 | 68 | 3,610 | 3,115–4,220 |
| Glorieta | 2,777 | 68 | 5,128 | 4,528–5,900 |
| Rustler | 1,973 | 19 | 1,520 | 1,016–1,813 |
| Tubb | 1,780 | 18 | 5,962 | 5,792–6,154 |
| Seven Rivers | 1,503 | 58 | 3,018 | 2,696–3,970 |
| Holt | 1,375 | 27 | 5,000 | 4,778–5,249 |
| Wolfcamp | 1,269 | 17 | 9,119 | 7,697–9,491 |
| Spraberry | 1,049 | 26 | 7,932 | 6,494–8,273 |
| Santa Rosa | 856 | 41 | 1,264 | 779–1,542 |
| Strawn | 743 | 1 | 10,230 | 9,879–10,572 |
| Wichita-Albany | 577 | 7 | 6,512 | 6,298–6,818 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 3,022
- active UIC permits of 6,516
- 8.87M
- permitted bbl/day, active
- 262M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Ector County →
Permitted volume is a ceiling, not throughput. How to read it →
TexNet catalog via USGS
Seismicity, last 2 years
- 38
- M2+ events in the area
- M3.5
- 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 |
|---|---|---|---|---|---|---|
| 919539 | Oct 29, 2026 | Oct 27, 2026 | Admiral Permian Operating LLC | Shrimp Boat C #3BH | 12,000 | 13544338 |
| 919209 | Oct 23, 2026 | Oct 21, 2026 | Basin Oil & Gas Operating, LLC | Johnson, J. L. 'AB' #147 | 4,456 | 13534065 |
| 919191 | Oct 16, 2026 | Oct 14, 2026 | Enterprise Products Operatingllc | Wireline Road #1 | 490 | 13544337 |
| 919149 | Nov 1, 2026 | Oct 12, 2026 | Ovintiv USA Inc. | Buzz Hurt 36F #106HDH | 10,500 | 13544331 |
| 919150 | Nov 1, 2026 | Oct 12, 2026 | Ovintiv USA Inc. | Buzz Hurt 36F #105HGH | 10,500 | 13544332 |
| 919141 | Oct 31, 2026 | Oct 12, 2026 | Ovintiv USA Inc. | Buzz Hurt 36X #102HDH | 10,500 | 13544328 |
| 919144 | Oct 31, 2026 | Oct 12, 2026 | Ovintiv USA Inc. | Buzz Hurt 36A #103HFH | 10,500 | 13544329 |
| 919144 | Oct 14, 2026 | Oct 12, 2026 | Ovintiv USA Inc. | Buzz Hurt 36X #103HDH | 10,500 | 13544329 |
| 919147 | Oct 14, 2026 | Oct 12, 2026 | Ovintiv USA Inc. | Buzz Hurt 36G #104HDH | 10,500 | 13544330 |
| 919149 | Oct 14, 2026 | Oct 12, 2026 | Ovintiv USA Inc. | Buzz Hurt 36F #106HGH | 10,500 | 13544331 |
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/ector?days=90, documented in the API reference.