42-435-38901
TEMP ABANDONED HorizontalMAYFIELD 33
SUTTON County · District 7 · UPP OPERATING LLC · SAWYER (CANYON)
Permits
1
Max Depth
7,200 ft
First Permit
2008-03-05
Latest Activity
2008-03-05
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2008-08-25
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: UPP OPERATING LLC ≠ Permit: HIGHMOUNT EXPL & PROD TEXAS LLC
Resolved via: scheduling → 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
2010-01
Last Production
2026-07
Operator History
originally filed by HIGHMOUNT EXPL & PROD TEXAS LLC — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (3) Elevation 2,251 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE CRETACEOUS (Base Cretaceous (marker)) | 772 ft | +1,479 ft |
| WOLFCAMP | 3,465 ft | -1,214 ft |
| CANYON | 6,296 ft | -4,045 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 (1)
| Interval | Type |
|---|---|
| 7,605–7,611 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 347 ft | 400 sx |
| 9.625" | 2,420 ft | 735 sx |
| 7" | 6,180 ft | 450 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 25H
- Max Depth
- 7,200 ft
- Drill Type
- Horizontal
- County
- SUTTON
- District
- 7
- Operator
- UPP OPERATING LLC
- Completed
- 2008-08-25
Operator
- Name
- UPP OPER, LLC
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-03-06)
- Cum Oil (all leases)
- 293,241 bbl
- Cum Gas (all leases)
- 486,804,996 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 33