42-435-36467
Final CompletionMAYER 36
SUTTON County · District 7 · HIGHMOUNT EXPL & PROD TEXAS LLC · SAWYER (STRAWN NORTH)
Permits
2
Max Depth
8,500 ft
First Permit
2003-08-12
Latest Activity
2013-09-23
Lifespan
10 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2003-10-01
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: HIGHMOUNT EXPL & PROD TEXAS LLC ≠ Production: UPP OPERATING, LLC (reported 2026-03)
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
2003-10
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 2,274 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE CRETACEOUS (Base Cretaceous (marker)) | 828 ft | +1,446 ft |
| LEONARD | 1,807 ft | +467 ft |
| WOLFCAMP | 3,490 ft | -1,216 ft |
| WOLFCAMP | 3,592 ft | -1,318 ft |
| CANYON | 6,338 ft | -4,064 ft |
| STRAWN | 7,661 ft | -5,387 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 (4)
| Interval | Type |
|---|---|
| 2,138–2,139 ft | Perforated |
| 3,592–4,513 ft | Perforated |
| 6,367–6,638 ft | Perforated |
| 7,688–8,102 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,047 ft | 290 sx |
| 4.5" | 8,275 ft | 610 sx |
Permit History (2)
Applications (2)
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
- 7
- Max Depth
- 8,500 ft
- Drill Type
- Vertical
- County
- SUTTON
- District
- 7
- Operator
- HIGHMOUNT EXPL & PROD TEXAS LLC
- Completed
- 2003-10-01
Operator
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 2014-09-04)
- Cum Oil (all leases)
- 789,796 bbl
- Cum Gas (all leases)
- 414,480,211 mcf
- Total Permits
- 1,184