42-445-31728
INJECTIONPRENTICE NORTHEAST UNIT
TERRY County · District 8 · HIGHMARK ENERGY OPERATING LLC · PRENTICE (6700)
Permits
1
Max Depth
7,100 ft
First Permit
1995-08-01
Latest Activity
1995-08-01
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1996-07-02
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
5,750–7,100 ft
Injected (12mo)
178,563 bbl
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 (5) Elevation 3,532 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER ANHYDRITE (Rustler) | 2,417 ft | +1,115 ft |
| YATES | 3,136 ft | +396 ft |
| SAN ANDRES | 4,580 ft | -1,048 ft |
| GLORIETA | 5,871 ft | -2,339 ft |
| UPPER CLEARFORK (Clear Fork) | 6,095 ft | -2,563 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 |
|---|---|
| 6,786–7,014 ft | Perforated |
| 7,034–7,050 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,437 ft | 950 sx |
| 5.5" | 7,034 ft | 1,350 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
- 635
- Max Depth
- 7,100 ft
- Drill Type
- Vertical
- County
- TERRY
- District
- 8
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1996-07-02
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