42-401-33014
PRODUCINGWILLIAMSON UNIT
RUSK County · District 6 · HIGHMARK ENERGY OPERATING LLC · OAK HILL (COTTON VALLEY)
Permits
1
Max Depth
10,600 ft
First Permit
2000-07-25
Latest Activity
2000-07-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2000-12-19
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: ENERGEN RESOURCES MAQ 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
2000-12
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 367 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TMA | 5,710 ft | -5,343 ft |
| RODESSA | 6,030 ft | -5,663 ft |
| PETTIT | 6,710 ft | -6,343 ft |
| TOP TRAVIS PEAK (Travis Peak) | 7,030 ft | -6,663 ft |
| UPR C.V. | 9,100 ft | -8,733 ft |
| TO CV TAYLOR | 10,220 ft | -9,853 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 |
|---|---|
| 10,218–10,272 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,038 ft | 315 sx |
| 4.5" | 10,580 ft | 1,577 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
- 3
- Max Depth
- 10,600 ft
- Drill Type
- Vertical
- County
- RUSK
- District
- 6
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 2000-12-19
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