42-445-31719
PRODUCINGPRENTICE NORTHEAST UNIT
TERRY County · District 8 · HIGHMARK ENERGY OPERATING LLC · PRENTICE (6700)
Permits
1
Max Depth
7,100 ft
First Permit
1995-07-17
Latest Activity
1995-07-17
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2018-10-01
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
Injection / Disposal
Permitted Volume
2,500 bbl/d
Max Pressure
2,800 psi
Injection Interval
5,750–6,200 ft
Injected (12mo)
—
Permitted Volume
2,500 bbl/d
Max Pressure
2,800 psi
Injection Interval
6,200–7,300 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
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 3,536 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,415 ft | +1,121 ft |
| RUSTLER ANHYDRITE (Rustler) | 2,415 ft | +1,121 ft |
| YATES | 3,110 ft | +426 ft |
| SAN ANDRES | 4,551 ft | -1,015 ft |
| GLORIETA | 5,835 ft | -2,299 ft |
| UPPER CLEARFORK (Clear Fork) | 6,055 ft | -2,519 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 |
|---|---|
| 5,898–7,015 ft | Perforated |
| 5,994–6,003 ft | Perforated |
| 6,536–7,015 ft | Perforated |
| 6,922–7,015 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,439 ft | 900 sx |
| 5.5" | 7,039 ft | 1,300 sx |
Permit History (1)
Applications (1)
Records & Logs
6 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
- 664
- Max Depth
- 7,100 ft
- Drill Type
- Vertical
- County
- TERRY
- District
- 8
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 2018-10-01
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