42-445-31223
PRODUCINGPRENTICE NORTHEAST UNIT
TERRY County · District 8 · HIGHMARK ENERGY OPERATING LLC · PRENTICE (6700)
Permits
1
Max Depth
7,100 ft
First Permit
1984-07-06
Latest Activity
1984-07-06
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2020-08-25
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 (10) Elevation 3,535 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER ANHYDRITE (Rustler) | 2,376 ft | +1,159 ft |
| GRAYBURG | 4,224 ft | -689 ft |
| SAN ANDRES | 4,431 ft | -896 ft |
| SAN ANDRES | 4,460 ft | -925 ft |
| GLORIETA | 5,787 ft | -2,252 ft |
| GLORIETA G-1 (Glorieta) | 5,832 ft | -2,297 ft |
| GLORIETA G-3 (Glorieta) | 5,952 ft | -2,417 ft |
| UPPER CLEARFORK (Clear Fork) | 6,003 ft | -2,468 ft |
| CLEARFORK C-1 (Clear Fork) | 6,291 ft | -2,756 ft |
| CLEARFORK C-5 (Clear Fork) | 6,564 ft | -3,029 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 (5)
| Interval | Type |
|---|---|
| 5,860–5,872 ft | Perforated |
| 5,908–5,922 ft | Perforated |
| 5,932–5,950 ft | Perforated |
| 6,274–6,684 ft | Open hole |
| 6,275–6,678 ft | Open hole |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,386 ft | 975 sx |
| 8.625" | 2,390 ft | 975 sx |
| 8.625" | 2,390 ft | 975 sx |
| 5.5" | 6,274 ft | 1,800 sx |
| 5.5" | 6,275 ft | 1,800 sx |
| 5.5" | 6,275 ft | 1,800 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record.
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
- 166
- Max Depth
- 7,100 ft
- Drill Type
- Vertical
- County
- TERRY
- District
- 8
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 2020-08-25
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