42-401-32902
PRODUCINGMINOR A. GAS UNIT
RUSK County · District 6 · HIGHMARK ENERGY OPERATING LLC · OAK HILL (COTTON VALLEY)
Permits
1
Max Depth
10,800 ft
First Permit
1998-10-08
Latest Activity
1998-10-08
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1999-01-05
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
1999-01
Last Production
2026-07
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 (6) Elevation 347 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MASSIVE ANHYDRITE (Massive Anhydrite (marker)) | 5,750 ft | -5,403 ft |
| RODESSA | 6,100 ft | -5,753 ft |
| JAMES (James Lime) | 6,470 ft | -6,123 ft |
| PETTIT | 6,720 ft | -6,373 ft |
| COTTON VALLY | 10,100 ft | -9,753 ft |
| BOSSIER SHALE (Bossier) | 10,450 ft | -10,103 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 (13)
| Interval | Type |
|---|---|
| 9,042–9,044 ft | Perforated |
| 9,086–9,088 ft | Perforated |
| 9,118–9,120 ft | Perforated |
| 9,140–9,146 ft | Perforated |
| 9,186–9,188 ft | Perforated |
| 9,202–9,204 ft | Perforated |
| 9,216–9,220 ft | Perforated |
| 9,274–9,220 ft | Perforated |
| 9,274–9,277 ft | Perforated |
| 9,316–9,320 ft | Perforated |
| 9,506–9,630 ft | Perforated |
| 9,822–9,939 ft | Perforated |
| 10,154–10,434 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 40 ft | 4 yd³ |
| 9.625" | 1,085 ft | 375 sx |
| 4.5" | 10,565 ft | 1,440 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
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
- 8
- Max Depth
- 10,800 ft
- Drill Type
- Vertical
- County
- RUSK
- District
- 6
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1999-01-05
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