42-435-36741
PRODUCINGMAYFIELD 41
SUTTON County · District 7 · UPP OPERATING LLC · FAWCETT (WOLFCAMP)
Permits
4
Max Depth
8,800 ft
First Permit
2004-03-12
Latest Activity
2010-12-17
Lifespan
7 yrs
Regulatory Status
Schedule
ON SCHEDULE
Completion
2011-03-18
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: UPP OPERATING LLC ≠ Permit: HIGHMOUNT EXPL & PROD TEXAS LLC
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
2004-05
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 (4) Elevation 2,252 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE CRETACEOUS (Base Cretaceous (marker)) | 860 ft | +1,392 ft |
| WOLFCAMP | 3,408 ft | -1,156 ft |
| CANYON | 6,232 ft | -3,980 ft |
| STRAWN | 7,910 ft | -5,658 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 |
|---|---|
| 3,508–5,284 ft | Perforated |
| 6,234–7,502 ft | Perforated |
| 7,928–8,334 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 272 ft | 270 sx |
| 11" | 2,411 ft | 650 sx |
| 8.625" | 2,411 ft | 650 sx |
| 4.5" | 8,543 ft | 700 sx |
| 4.5" | 8,553 ft | 700 sx |
Permit History (4)
Applications (4)
Records & Logs
3 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
- 9
- Max Depth
- 8,800 ft
- Drill Type
- Vertical
- County
- SUTTON
- District
- 7
- Operator
- UPP OPERATING LLC
- Completed
- 2011-03-18
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