42-317-36245
Final CompletionMAXWELL 10
MARTIN County · District 8 · ENDEAVOR ENERGY RESOURCES L.P. · SPRABERRY (TREND AREA)
Permits
2
Max Depth
12,000 ft
First Permit
2010-08-31
Latest Activity
2010-08-31
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2021-05-18
Shut-In
—
Plugged
2022-05-17
EWA / Permit operator mismatch
Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Permit: COBRA OIL & GAS CORPORATION
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
2011-05
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 (6) Elevation 2,595 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 4,940 ft | -2,345 ft |
| UPPER SPRABERRY (Spraberry) | 6,750 ft | -4,155 ft |
| LOWER SPRABERRY (Spraberry) | 7,260 ft | -4,665 ft |
| DEAN | 8,055 ft | -5,460 ft |
| WICHITA ALBANY (Wichita-Albany) | 8,280 ft | -5,685 ft |
| PENN SHALE (Pennsylvanian) | 9,140 ft | -6,545 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 (3)
| Interval | Type |
|---|---|
| 7,355–9,602 ft | Perforated |
| 9,682–9,818 ft | Perforated |
| 9,912–10,538 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 347 ft | 300 sx |
| 8.625" | 4,514 ft | 1,050 sx |
| 5.5" | 10,650 ft | 1,300 sx |
Permit History (2)
Applications (2)
Records & Logs
3 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
- 12,000 ft
- Drill Type
- Vertical
- County
- MARTIN
- District
- 8
- Operator
- ENDEAVOR ENERGY RESOURCES L.P.
- Completed
- 2021-05-18
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