42-317-33371
COWDEN COURTNEY
MARTIN County · District 8 · ENDEAVOR ENERGY RESOURCES L.P. · GREENTREE NORTH (STRAWN)
Permits
3
Max Depth
13,200 ft
First Permit
1986-07-07
Latest Activity
2014-07-08
Lifespan
28 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-10-16
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Production: DIAMONDBACK E&P LLC (reported 2026-04)
Resolved via: production → DIAMONDBACK E&P LLC
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
2026-07
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 (16) Elevation 2,866 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,000 ft | +1,866 ft |
| YATES | 2,700 ft | +166 ft |
| QUEEN | 4,100 ft | -1,234 ft |
| GRAYBURG | 4,300 ft | -1,434 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 5,540 ft | -2,674 ft |
| SPRABERRY | 7,962 ft | -5,096 ft |
| STRAYBERRY | 7,966 ft | -5,100 ft |
| CISCO | 8,500 ft | -5,634 ft |
| DEAN | 9,291 ft | -6,425 ft |
| WOLFCAMP | 9,377 ft | -6,511 ft |
| PENNSYLVANIAN | 9,400 ft | -6,534 ft |
| STRAWN | 10,391 ft | -7,525 ft |
| ATOKA | 10,591 ft | -7,725 ft |
| DEVONIAN | 11,784 ft | -8,918 ft |
| FUSSELMAN | 12,366 ft | -9,500 ft |
| ELLENBURGER | 12,961 ft | -10,095 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 |
|---|---|
| 8,771–11,209 ft | Perforated |
| 10,438–10,446 ft | Perforated |
| 10,456–10,468 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 380 ft | 400 sx |
| 9.625" | 4,718 ft | 2,200 sx |
| 5.5" | 11,319 ft | 550 sx |
Permit History (3)
Applications (3)
Records & Logs
3 completion filings on record · 2 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
- 13,200 ft
- Drill Type
- Vertical
- County
- MARTIN
- District
- 8
- Operator
- ENDEAVOR ENERGY RESOURCES L.P.
- Completed
- 1986-10-16
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