42-435-33412
PRODUCINGMAYER RANCH TTT
SUTTON County · District 7 · UPP OPERATING LLC · SAWYER (CANYON)
Permits
1
Max Depth
8,700 ft
First Permit
1987-12-23
Latest Activity
1987-12-23
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1988-03-13
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: UPP OPERATING LLC ≠ Permit: SONORA SOUTHWEST PARTNERSHIP
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
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 (6) Elevation 2,297 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP CANYON MARKER (Canyon) | 6,282 ft | -3,985 ft |
| TOP CANYON MARKER "A" (Canyon) | 6,374 ft | -4,077 ft |
| CANYON SAND SEC. (Canyon) | 6,644 ft | -4,347 ft |
| CANYON MARKER "B" (Canyon) | 7,512 ft | -5,215 ft |
| TOP STRAY SAND | 7,836 ft | -5,539 ft |
| TOP STRAWN (Strawn) | 7,964 ft | -5,667 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 |
|---|---|
| 6,669–7,241 ft | Perforated |
| 7,834–7,856 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,335 ft | 550 sx |
| 4.5" | 8,311 ft | 550 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 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
- 159
- Max Depth
- 8,700 ft
- Drill Type
- Vertical
- County
- SUTTON
- District
- 7
- Operator
- UPP OPERATING LLC
- Completed
- 1988-03-13
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