42-003-37903
SHUT INUNIVERSITY -154-
ANDREWS County · District 8 · HIGHMARK ENERGY OPERATING LLC · SHAFTER LAKE (CLEAR FORK)
Permits
1
Max Depth
7,200 ft
First Permit
1996-07-02
Latest Activity
1996-07-02
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1997-12-10
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: HENRY PETROLEUM CORP.
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
ANDREWS County disposal market →Permitted Volume
1,500 bbl/d
Max Pressure
2,200 psi
Injection Interval
5,700–7,050 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2026-03-01)
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 (4) Elevation 3,211 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,915 ft | +296 ft |
| SAN ANDRES | 4,432 ft | -1,221 ft |
| CLEARFORK (Clear Fork) | 5,820 ft | -2,609 ft |
| TUBB | 6,658 ft | -3,447 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 (1)
| Interval | Type |
|---|---|
| 6,540–6,908 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,720 ft | 625 sx |
| 4.5" | 7,051 ft | 2,200 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 23
- Max Depth
- 7,200 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1997-12-10
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