42-435-36412
Final Completion DirectionalMAYER 36
SUTTON County · District 7 · UPP OPERATING LLC · SAWYER (LEONARD)
Permits
3
Max Depth
8,450 ft
First Permit
2003-07-01
Latest Activity
2013-05-14
Lifespan
10 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2013-05-30
Shut-In
—
Plugged
—
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
2004-05
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 2,267 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE CRETACEOUS (Base Cretaceous (marker)) | 811 ft | +1,456 ft |
| LEONARD | 1,812 ft | +455 ft |
| WOLFCAMP | 3,424 ft | -1,157 ft |
| WOLFCAMP | 3,573 ft | -1,306 ft |
| CANYON | 6,328 ft | -4,061 ft |
| STRAWN | 7,729 ft | -5,462 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 |
|---|---|
| 1,812–2,113 ft | Perforated |
| 3,424–4,561 ft | Perforated |
| 6,458–7,257 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,095 ft | 340 sx |
| 4.5" | 7,492 ft | 500 sx |
Permit History (3)
Applications (3)
Records & Logs
5 completion filings on record · 2 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
- 9
- Max Depth
- 8,450 ft
- Drill Type
- Directional
- County
- SUTTON
- District
- 7
- Operator
- UPP OPERATING LLC
- Completed
- 2013-05-30
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