42-445-31765
YPRENTICE NORTHEAST UNIT
TERRY County · District 8 · HIGHMARK ENERGY OPERATING LLC · PRENTICE (6700)
Permits
2
Max Depth
8,000 ft
First Permit
1996-07-26
Latest Activity
1996-07-26
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2001-06-18
Shut-In
—
Plugged
2025-09-08
EWA / Permit operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: CROSS TIMBERS OPERATING COMPANY
Resolved via: production → HIGHMARK ENERGY 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 (9) Elevation 3,528 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER ANHYDRITE (Rustler) | 2,308 ft | +1,220 ft |
| YATES | 3,228 ft | +300 ft |
| SAN ANDRES | 4,548 ft | -1,020 ft |
| SAN ANDRES MARKER (San Andres) | 4,548 ft | -1,020 ft |
| GLORIETA | 5,909 ft | -2,381 ft |
| U. CLEARFORK | 6,335 ft | -2,807 ft |
| UPPER CLEARFORK (Clear Fork) | 6,335 ft | -2,807 ft |
| TUBB | 7,330 ft | -3,802 ft |
| GLORIETA | 8,509 ft | -4,981 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 |
|---|---|
| 6,631–6,673 ft | Perforated |
| 6,717–6,822 ft | Perforated |
| 6,928–6,997 ft | Perforated |
| 7,137–7,303 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,414 ft | 1,000 sx |
| 5.5" | 7,482 ft | 1,500 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 620
- Max Depth
- 8,000 ft
- Drill Type
- Vertical
- County
- TERRY
- District
- 8
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 2001-06-18
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-03-09)
- Cum Oil (all leases)
- 4,551,977 bbl
- Cum Gas (all leases)
- 30,465,409 mcf
- Activities
- CSGD/G, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 15