42-137-31707
Final CompletionCANYON RANCH
EDWARDS County · District 7 · HIGHMOUNT EXPL & PROD TEXAS LLC · KELLEY (ELLENBURGER)
Permits
3
Max Depth
7,400 ft
First Permit
2003-10-07
Latest Activity
2008-12-03
Lifespan
5 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2003-12-31
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: HIGHMOUNT EXPL & PROD TEXAS LLC ≠ Production: UPP OPERATING, LLC (reported 2026-04)
Resolved via: production → UPP OPERATING, 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
2003-12
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 (5) Elevation 2,278 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BACE CRETACEOUS | 1,000 ft | +1,278 ft |
| BASE CRETACEOUS (Base Cretaceous (marker)) | 1,000 ft | +1,278 ft |
| WOLFCAMP | 1,800 ft | +478 ft |
| CANYON | 3,400 ft | -1,122 ft |
| STRAWN | 6,600 ft | -4,322 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 |
|---|---|
| 3,685–5,282 ft | Perforated |
| 6,702–6,740 ft | Perforated |
| 6,703–6,740 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,221 ft | 240 sx |
| 4.5" | 7,082 ft | 900 sx |
Permit History (3)
Applications (3)
Records & Logs
6 completion filings on record · 3 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
- 121E
- Max Depth
- 7,400 ft
- Drill Type
- Vertical
- County
- EDWARDS
- District
- 7
- Operator
- HIGHMOUNT EXPL & PROD TEXAS LLC
- Completed
- 2003-12-31
Operator
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 2014-09-04)
- Cum Oil (all leases)
- 789,796 bbl
- Cum Gas (all leases)
- 414,480,211 mcf
- Total Permits
- 1,184