42-461-32606
Final CompletionNEAL 26
UPTON County · District 7 · ENDEAVOR ENERGY RESOURCES L.P. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
8,500 ft
First Permit
1986-11-13
Latest Activity
1986-11-13
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-12-22
Shut-In
—
Plugged
2022-05-25
EWA / Permit operator mismatch
Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Permit: USENCO
Resolved via: scheduling → ENDEAVOR ENERGY RESOURCES L.P.
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2022-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 2,777 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK LIME (Clear Fork) | 7,044 ft | -4,267 ft |
| UPPER SPRABERRY (Spraberry) | 7,424 ft | -4,647 ft |
| LOWER SPRABERRY (Spraberry) | 8,025 ft | -5,248 ft |
| JO MILL | 8,315 ft | -5,538 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (2)
| Interval | Type |
|---|---|
| 7,446–7,633 ft | Perforated |
| 8,046–8,367 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 398 ft | 425 sx |
| 8.625" | 4,745 ft | 500 sx |
| 5.5" | 8,500 ft | 1,000 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 4
- Max Depth
- 8,500 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- ENDEAVOR ENERGY RESOURCES L.P.
- Completed
- 1986-12-22
Operator
- Location
- MIDLAND
- P-5 Status
- Active (filed 2026-06-12)
- Cum Oil (all leases)
- 507,205,629 bbl
- Cum Gas (all leases)
- 70,424,421 mcf
- Total Permits
- 6,190