42-461-32551
Final CompletionCOWDEN 48
UPTON County · District 7 · ENDEAVOR ENERGY RESOURCES L.P. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
9,300 ft
First Permit
1986-01-08
Latest Activity
1986-01-08
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-04-28
Shut-In
—
Plugged
2021-10-08
EWA / Permit operator mismatch
Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Permit: ATKINS PETROLEUM CORP.
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
2023-04
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 (6) Elevation 2,777 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 7,183 ft | -4,406 ft |
| UPPER SPRABERRY (Spraberry) | 7,570 ft | -4,793 ft |
| LOWER SPRABERRY (Spraberry) | 8,145 ft | -5,368 ft |
| JO MILL | 8,425 ft | -5,648 ft |
| DEAN | 8,921 ft | -6,144 ft |
| WOLFCAMP | 9,108 ft | -6,331 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 (1)
| Interval | Type |
|---|---|
| 7,575–9,102 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 406 ft | 520 sx |
| 8.625" | 4,424 ft | 450 sx |
| 4.5" | 9,224 ft | 700 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
- 9,300 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- ENDEAVOR ENERGY RESOURCES L.P.
- Completed
- 1986-04-28
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