COUNTIES · BARNETT SHALE AND NORTH TEXAS · DISTRICT 7B · CODE 417
Shackelford County
Shackelford County permitting is running 2.3 permits a month over the trailing 90 days (7 total, down 30% on the prior quarter).
Stasney Well Service, LLC leads with 13 permits in the past 12 months, one of 8 operators active in the county.
2 operators filed a first Shackelford County permit in the past year.
Median permitted depth over the past year is 1,900 ft (prior year: 2,000 ft); 0% of the past year's permits are horizontal.
The county has 312 active disposal and injection permits, with 4.97M barrels injected in the 12 months reported through June 2025.
8,821 drilling permits have been issued in Shackelford County since 1977.
8,821 permits on file since 1977 · last issued Sep 18, 2026
Watch Shackelford CountyAlso: every Shackelford County well in the statewide list, searchable → · a year of permits on the map →
- 7
- permits issued, 90d
- -30%
- vs prior 90d (10)
- 3
- operators filing
- 0%
- horizontal
- 1,529
- avg permitted depth, ft
- 830
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 103 MONTHS · BY ISSUE DATE
Last 12 months 30 · prior 12 27(+11%)
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
| Operator | Permits | Wells |
|---|---|---|
| Stasney Well Service, LLC | 13 | 605 |
| Clavo Oil, LLC | 2 | 103 |
| Oaktree Oil Company | 2 | 58 |
| Wbi Energy Midstream, LLC | 2 | 0 |
| Bluff Creek Petroleum, LLC | 1 | 34 |
| Ruthson Energy, Inc. | 1 | 1 |
| Energy Transfer Company | 1 | 0 |
New entrants, last 12 months
Operators whose first permit in Shackelford County came in the last year. 2 in total.
- Wbi Energy Midstream, LLC2 permitsAug 5, 2026 · active elsewhere first
- Energy Transfer Company1 permitApr 20, 2026 · active elsewhere first
Permit types, 90d
| Type | Window | Prior | All time |
|---|---|---|---|
| Drill | 5 | 9 | 7,764 |
| Reenter | 2 | 0 | 295 |
| Recompletion | 0 | 1 | 510 |
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Shackelford County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
In Shackelford County the Duffer is reported in 103 wells, median top 3,975 ft, highlighted below. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Tannehill | 894 | 2 | 966 | 393–1,465 |
| Saddle Creek | 593 | 7 | 1,312 | 486–1,575 |
| Caddo | 488 | 1 | 3,915 | 3,469–4,605 |
| Coleman Junction | 295 | 0 | 686 | 156–924 |
| Mississippian | 277 | 0 | 4,504 | 4,096–4,962 |
| Palo Pinto | 222 | 0 | 2,280 | 1,775–3,200 |
| Ellenburger | 176 | 0 | 4,362 | 4,072–5,098 |
| Strawn | 142 | 1 | 3,018 | 2,308–3,895 |
| Duffer | 103 | 0 | 3,975 | 3,821–4,410 |
| Barnett | 75 | 0 | 4,375 | 4,084–4,700 |
| Marble Falls | 57 | 0 | 4,028 | 3,686–4,439 |
| Bend | 38 | 0 | 4,698 | 3,899–4,978 |
| Gunsight | 37 | 0 | 1,577 | 400–1,887 |
| Chester | 31 | 0 | 4,519 | 4,284–4,726 |
| Wolfcamp | 26 | 1 | 550 | 232–762 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 312
- active UIC permits of 1,897
- 155K
- permitted bbl/day, active
- 4.97M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Shackelford 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 |
|---|---|---|---|---|---|---|
| 918759 | Sep 20, 2026 | Sep 18, 2026 | Clavo Oil, LLC | Nail Tract 20 #5 | 2,000 | 41739845 |
| 918755 | Sep 20, 2026 | Sep 18, 2026 | Clavo Oil, LLC | Nail Tract 20 #4 | 2,000 | 41739844 |
| 918526 | Sep 11, 2026 | Sep 9, 2026 | Stasney Well Service, LLC | Simpson #8 | 2,000 | 41739843 |
| 918405 | Sep 10, 2026 | Sep 8, 2026 | Stasney Well Service, LLC | Simpson #8 | 2,000 | 41730497 |
| 918309 | Sep 6, 2026 | Sep 4, 2026 | Stasney Well Service, LLC | Simpson #1 | 2,000 | 41730497 |
| 917590 | Aug 15, 2026 | Aug 13, 2026 | Wbi Energy Midstream, LLC | HF Sinclair MP27 #T027MP | 350 | 41739842 |
| 916024 | Aug 7, 2026 | Aug 5, 2026 | Wbi Energy Midstream, LLC | HF Sinclair #T027MP | 350 | 41739837 |
| 916796 | Jul 2, 2026 | Jul 2, 2026 | Stasney Well Service, LLC | Simpson #7 | 990 | 41739841 |
| 916792 | Jul 2, 2026 | Jul 2, 2026 | Stasney Well Service, LLC | Simpson #6 | 990 | 41739840 |
| 916675 | Jun 26, 2026 | Jun 26, 2026 | Stasney Well Service, LLC | Simpson #5 | 990 | 41739839 |
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/shackelford?days=90, documented in the API reference.