42-445-31302
PRODUCINGPRENTICE NORTHEAST UNIT
TERRY County · District 8 · HIGHMARK ENERGY OPERATING LLC · PRENTICE (6700)
Permits
1
Max Depth
6,750 ft
First Permit
1985-04-18
Latest Activity
1985-04-18
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1985-11-03
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: AMOCO PRODUCTION 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 (8) Elevation 3,536 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER ANHYDRITE (Rustler) | 2,366 ft | +1,170 ft |
| T. RUSTLER ANHYDRITE | 2,366 ft | +1,170 ft |
| GLORIETA G-1 (Glorieta) | 5,831 ft | -2,295 ft |
| T. GLORIETA G-1 | 5,831 ft | -2,295 ft |
| CLEARFORK C-1 (Clear Fork) | 6,236 ft | -2,700 ft |
| T. CLEARFORK C-1 | 6,236 ft | -2,700 ft |
| CLEARFORK C-5 (Clear Fork) | 6,516 ft | -2,980 ft |
| T. CLEARFORK C-5 | 6,516 ft | -2,980 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 |
|---|---|
| 5,840–5,898 ft | Perforated |
| 6,219–6,786 ft | Open hole |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,395 ft | 1,240 sx |
| 5.5" | 6,219 ft | 1,460 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 191
- Max Depth
- 6,750 ft
- Drill Type
- Vertical
- County
- TERRY
- District
- 8
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1985-11-03
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