42-461-32557
Final CompletionCOWDEN 43 A
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
1986-05-09
Shut-In
—
Plugged
2006-05-08
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
2007-02
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 2,780 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 7,134 ft | -4,354 ft |
| UPPER SPRABERRY (Spraberry) | 7,520 ft | -4,740 ft |
| LOWER SPRABERRY (Spraberry) | 8,103 ft | -5,323 ft |
| JO MILL | 8,374 ft | -5,594 ft |
| DEAN | 8,871 ft | -6,091 ft |
| WOLFCAMP | 9,063 ft | -6,283 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 |
|---|---|
| 7,525–9,058 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 388 ft | 520 sx |
| 8.625" | 4,393 ft | 450 sx |
| 4.5" | 9,233 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
- 1
- Max Depth
- 9,300 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- ENDEAVOR ENERGY RESOURCES L.P.
- Completed
- 1986-05-09
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