42-501-32512
PRODUCINGPRENTICE NORTHEAST UNIT
YOAKUM County · District 8 · HIGHMARK ENERGY OPERATING LLC · PRENTICE (6700)
Permits
1
Max Depth
7,000 ft
First Permit
1983-12-23
Latest Activity
1983-12-23
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1984-02-12
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: AMOCO PRODUCTION 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
1,500 bbl/d
Max Pressure
1,400 psi
Injection Interval
6,010–6,650 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 (5) Elevation 3,542 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| T. RUSTLER ANHYDRITE | 2,397 ft | +1,145 ft |
| T. GLORIETA G-1 | 5,953 ft | -2,411 ft |
| T. GLORIETA G-3 | 6,048 ft | -2,506 ft |
| T. CLEARFORK C-1 | 6,353 ft | -2,811 ft |
| T. CLEARFORL C-5 | 6,650 ft | -3,108 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 |
|---|---|
| 5,980–5,988 ft | Perforated |
| 6,316–6,887 ft | Open hole |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,408 ft | 1,100 sx |
| 5.5" | 6,316 ft | 1,500 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record.
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
- 159
- Max Depth
- 7,000 ft
- Drill Type
- Vertical
- County
- YOAKUM
- District
- 8
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1984-02-12
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