42-445-00346
Final CompletionPRENTICE NORTHEAST UNIT
TERRY County · District 8 · HIGHMARK ENERGY OPERATING LLC · PRENTICE (6700)
Permits
1
Max Depth
7,450 ft
First Permit
2006-12-13
Latest Activity
2006-12-13
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-08-31
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
6,510–7,050 ft
Injected (12mo)
254,384 bbl
Permitted Volume
2,500 bbl/d
Max Pressure
2,800 psi
Injection Interval
7,050–7,400 ft
Injected (12mo)
254,384 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 3,513 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 4,304 ft | -791 ft |
| SAN ANDRES | 4,490 ft | -977 ft |
| SAN ANDRES | 4,500 ft | -987 ft |
| CLEARFORK (Clear Fork) | 6,015 ft | -2,502 ft |
| CLEARFORK (Clear Fork) | 6,123 ft | -2,610 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 |
|---|---|
| 5,972–5,980 ft | Perforated |
| 5,988–6,020 ft | Perforated |
| 6,559–6,842 ft | Open hole |
| 6,672–6,812 ft | Perforated |
| 7,120–7,296 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,480 ft | 450 sx |
| 9.625" | 2,480 ft | 1,000 sx |
| 7" | 6,559 ft | 1,500 sx |
| 7" | 6,559 ft | 1,500 sx |
Permit History (1)
Applications (1)
Records & Logs
7 completion filings on record.
+1 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
- 17W
- Max Depth
- 7,450 ft
- Drill Type
- Vertical
- County
- TERRY
- District
- 8
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1985-08-31
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