42-413-32806
PRODUCINGMARIGLIANO
SCHLEICHER County · District 7 · UPP OPERATING LLC · SAWYER (CANYON)
Permits
1
Max Depth
8,600 ft
First Permit
2012-01-13
Latest Activity
2012-01-13
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2012-02-10
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
2012-02
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 2,467 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE CRETACEOUS (Base Cretaceous (marker)) | 816 ft | +1,651 ft |
| LEONARD | 2,749 ft | -282 ft |
| WOLFCAMP | 4,720 ft | -2,253 ft |
| CANYON | 6,849 ft | -4,382 ft |
| STRAWN | 8,070 ft | -5,603 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 |
|---|---|
| 7,348–7,426 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,146 ft | 350 sx |
| 4.5" | 8,227 ft | 1,460 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1503
- Max Depth
- 8,600 ft
- Drill Type
- Vertical
- County
- SCHLEICHER
- District
- 7
- Operator
- UPP OPERATING LLC
- Completed
- 2012-02-10
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