42-435-33117
PRODUCINGALLISON-MIERS
SUTTON County · District 7 · UPP OPERATING LLC · SAWYER (CANYON)
Permits
1
Max Depth
6,000 ft
First Permit
1984-04-30
Latest Activity
1984-04-30
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1984-05-16
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: UPP OPERATING LLC ≠ Permit: CASS OIL COMPANY
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
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 (4) Elevation 2,279 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CANYON LIME (Canyon) | 3,764 ft | -1,485 ft |
| CANYON "A" SD (Canyon) | 4,972 ft | -2,693 ft |
| CANYON "C" SD (Canyon) | 5,650 ft | -3,371 ft |
| CANYON "D" (Canyon) | 5,818 ft | -3,539 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 |
|---|---|
| 4,994–5,220 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,104 ft | 700 sx |
| 4.5" | 5,915 ft | 600 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record.
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
- 1308
- Max Depth
- 6,000 ft
- Drill Type
- Vertical
- County
- SUTTON
- District
- 7
- Operator
- UPP OPERATING LLC
- Completed
- 1984-05-16
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