42-413-32642
SWR-10-WELLMARIGLIANO
SCHLEICHER County · District 7 · UPP OPERATING LLC · SAWYER (STRAWN NORTH)
Permits
2
Max Depth
8,950 ft
First Permit
2010-04-08
Latest Activity
2010-04-08
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2010-11-13
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
2010-11
Last Production
2026-07
Operator History
originally filed by HIGHMOUNT EXPL & PROD TEXAS LLC — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 2,442 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE CRETACEOUS (Base Cretaceous (marker)) | 1,192 ft | +1,250 ft |
| WOLFCAMP | 4,264 ft | -1,822 ft |
| CANYON | 6,895 ft | -4,453 ft |
| STRAWN | 8,140 ft | -5,698 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 |
|---|---|
| 7,390–7,416 ft | Perforated |
| 8,152–8,543 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,016 ft | 350 sx |
| 4.5" | 8,680 ft | 560 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 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
- 2501
- Max Depth
- 8,950 ft
- Drill Type
- Vertical
- County
- SCHLEICHER
- District
- 7
- Operator
- UPP OPERATING LLC
- Completed
- 2010-11-13
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