42-227-34367
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
1989-06-26
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 2,703 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 1,347 ft | +1,356 ft |
| SEVEN RIVERS | 1,492 ft | +1,211 ft |
| QUEEN | 1,694 ft | +1,009 ft |
| GRAYBURG | 1,971 ft | +732 ft |
| SAN ANDRES | 2,271 ft | +432 ft |
| GLORIETA | 2,772 ft | -69 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 |
|---|---|
| 2,270–2,674 ft | Perforated |
| 2,866–3,181 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 358 ft | 350 sx |
| 5.5" | 3,366 ft | 850 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record · 1 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
- 55
- Max Depth
- 3,600 ft
- Drill Type
- Vertical
- County
- HOWARD
- District
- 8
- Operator
- ENDEAVOR ENERGY RESOURCES L.P.
- Completed
- 1989-06-26
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