42-435-35667
SWR-10-WELLMAYFIELD 46
SUTTON County · District 7 · UPP OPERATING LLC · FAWCETT (WOLFCAMP)
Permits
2
Max Depth
8,500 ft
First Permit
2001-11-01
Latest Activity
2013-08-08
Lifespan
12 yrs
Regulatory Status
Schedule
ON SCHEDULE
Completion
2013-10-11
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
2001-12
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 (6) Elevation 2,296 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE CRETACEOUS (Base Cretaceous (marker)) | 885 ft | +1,411 ft |
| LEONARD | 1,698 ft | +598 ft |
| WOLFCAMP | 3,377 ft | -1,081 ft |
| WOLFCAMP | 3,498 ft | -1,202 ft |
| CANYON | 6,183 ft | -3,887 ft |
| STRAWN | 7,670 ft | -5,374 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 |
|---|---|
| 3,115–3,239 ft | Perforated |
| 3,593–5,061 ft | Perforated |
| 7,944–8,109 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 201 ft | 275 sx |
| 8.625" | 2,415 ft | 760 sx |
| 4.5" | 8,360 ft | 650 sx |
Permit History (2)
Applications (2)
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
- 16
- Max Depth
- 8,500 ft
- Drill Type
- Vertical
- County
- SUTTON
- District
- 7
- Operator
- UPP OPERATING LLC
- Completed
- 2013-10-11
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