42-445-32007
Final CompletionPRENTICE NORTHEAST UNIT
TERRY County · District 8 · HIGHMARK ENERGY OPERATING LLC · PRENTICE (6700)
Permits
1
Max Depth
7,345 ft
First Permit
2003-02-20
Latest Activity
2003-02-20
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2003-05-23
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: XTO ENERGY INC.
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
5,750–7,040 ft
Injected (12mo)
—
Permitted Volume
2,500 bbl/d
Max Pressure
2,800 psi
Injection Interval
5,750–7,300 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 (5) Elevation 3,517 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 3,150 ft | +367 ft |
| SAN ANDRES | 4,523 ft | -1,006 ft |
| GLORIETA | 5,917 ft | -2,400 ft |
| UPPER CLEARFORK (Clear Fork) | 6,161 ft | -2,644 ft |
| TUBB | 7,257 ft | -3,740 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 |
|---|---|
| 6,680–6,895 ft | Perforated |
| 6,680–7,009 ft | Perforated |
| 6,950–7,009 ft | Perforated |
| 7,087–7,276 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,449 ft | 950 sx |
| 5.5" | 7,360 ft | 1,375 sx |
Permit History (1)
Applications (1)
Records & Logs
4 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
- 271
- Max Depth
- 7,345 ft
- Drill Type
- Vertical
- County
- TERRY
- District
- 8
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 2003-05-23
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