42-003-37199
Final CompletionSHAFTER LAKE CLEARFORK UNIT
ANDREWS County · District 8 · HIGHMARK ENERGY OPERATING LLC · SHAFTER LAKE (CLEAR FORK)
Permits
2
Max Depth
8,700 ft
First Permit
1993-03-01
Latest Activity
1993-03-01
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1995-06-20
Shut-In
—
Plugged
—
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
750 bbl/d
Max Pressure
2,200 psi
Injection Interval
6,530–7,000 ft
Injected (12mo)
4,872 bbl
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 (7) Elevation 3,176 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 4,136 ft | -960 ft |
| SAN ANDRES | 4,453 ft | -1,277 ft |
| GLORIETA | 5,683 ft | -2,507 ft |
| UPPER CLEARFORK (Clear Fork) | 5,724 ft | -2,548 ft |
| TUBB (LOWER CLEARFORK (Tubb) | 6,748 ft | -3,572 ft |
| TUBB LOWER CLEARFORK (Tubb) | 6,748 ft | -3,572 ft |
| WOLFCAMP | 8,390 ft | -5,214 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 |
|---|---|
| 6,635–6,879 ft | Perforated |
| 6,771–6,831 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,778 ft | 1,050 sx |
| 5.5" | 8,675 ft | 1,330 sx |
Permit History (2)
Applications (2)
Records & Logs
6 completion filings on record · 2 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
- 6
- Max Depth
- 8,700 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1995-06-20
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