42-227-34362
Final CompletionCLAY H. R.
HOWARD County · District 8 · ENDEAVOR ENERGY RESOURCES L.P. · HOWARD GLASSCOCK
Permits
1
Max Depth
3,600 ft
First Permit
1988-08-11
Latest Activity
1988-08-11
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-11-12
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Production: GRAYROCK ENERGY II, LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Permit: EXXON CORP.
Resolved via: production → GRAYROCK ENERGY II, 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 (6) Elevation 2,714 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 1,405 ft | +1,309 ft |
| SEVEN RIVERS | 1,522 ft | +1,192 ft |
| QUEEN | 1,736 ft | +978 ft |
| GRAYBURG | 2,012 ft | +702 ft |
| SAN ANDRES | 2,304 ft | +410 ft |
| GLORIETA | 2,810 ft | -96 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 |
|---|---|
| 2,292–2,698 ft | Perforated |
| 2,906–3,246 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 381 ft | 350 sx |
| 5.5" | 3,375 ft | 995 sx |
Permit History (1)
Applications (1)
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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 51
- Max Depth
- 3,600 ft
- Drill Type
- Vertical
- County
- HOWARD
- District
- 8
- Operator
- ENDEAVOR ENERGY RESOURCES L.P.
- Completed
- 1988-11-12
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