42-435-33327
PRODUCINGNOBLES RANCH D
SUTTON County · District 7 · UPP OPERATING LLC · WHITEHEAD (STRAWN)
Permits
1
Max Depth
9,200 ft
First Permit
1987-04-15
Latest Activity
1987-04-15
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1987-08-11
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: UPP OPERATING LLC ≠ Permit: SONORA SOUTHWEST PARTNERSHIP
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
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 (5) Elevation 2,260 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP CANYON SAND SEC (Canyon) | 6,170 ft | -3,910 ft |
| BASE CANYON SAND SEC (Canyon) | 7,465 ft | -5,205 ft |
| TOP STRAWN (Strawn) | 8,524 ft | -6,264 ft |
| TOP ATOKA (Atoka) | 9,075 ft | -6,815 ft |
| TOP WOODFORD (Woodford) | 9,156 ft | -6,896 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 |
|---|---|
| 8,563–8,757 ft | Perforated |
| 8,819–9,067 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,348 ft | 140 sx |
| 4.5" | 9,169 ft | 540 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
- 121
- Max Depth
- 9,200 ft
- Drill Type
- Vertical
- County
- SUTTON
- District
- 7
- Operator
- UPP OPERATING LLC
- Completed
- 1987-08-11
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