42-445-00334
Final CompletionPRENTICE NORTHEAST UNIT
TERRY County · District 8 · HIGHMARK ENERGY OPERATING LLC · PRENTICE (6700)
Permits
1
Max Depth
6,750 ft
First Permit
2012-10-12
Latest Activity
2012-10-12
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-06-12
Shut-In
—
Plugged
2020-01-09
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
250 bbl/d
Max Pressure
2,100 psi
Injection Interval
5,878–6,023 ft
Injected (12mo)
—
Permitted Volume
2,500 bbl/d
Max Pressure
2,800 psi
Injection Interval
5,750–7,300 ft
Injected (12mo)
—
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 (3) Elevation 3,527 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SNDR | 4,500 ft | -973 ft |
| GLORIETTA (Glorieta) | 5,840 ft | -2,313 ft |
| CLFK | 6,028 ft | -2,501 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 (11)
| Interval | Type |
|---|---|
| 5,878–5,924 ft | Perforated |
| 5,878–6,023 ft | Perforated |
| 5,996–6,012 ft | Perforated |
| 6,016–6,023 ft | Perforated |
| 6,312–6,322 ft | Perforated |
| 6,312–6,428 ft | Perforated |
| 6,362–6,370 ft | Perforated |
| 6,390–6,396 ft | Perforated |
| 6,400–6,410 ft | Perforated |
| 6,420–6,428 ft | Perforated |
| 6,449–6,750 ft | Open hole |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,380 ft | 1,040 sx |
| 8.625" | 2,380 ft | 1,040 sx |
| 8.625" | 2,380 ft | 1,040 sx |
| 5.5" | 6,449 ft | — |
Permit History (1)
Applications (1)
Records & Logs
9 completion filings on record.
+3 more filings
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
- 87
- Max Depth
- 6,750 ft
- Drill Type
- Vertical
- County
- TERRY
- District
- 8
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1991-06-12
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