42-195-30809
Final CompletionOIL DEVELOPMENT CO. OF TEXAS
HANSFORD County · District 10 · HIGHMARK ENERGY OPERATING LLC · HANSFORD (MARMATON)
Permits
1
Max Depth
6,550 ft
First Permit
1981-07-22
Latest Activity
1981-07-22
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2010-09-10
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: EXXON 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
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 3,036 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| COTTAGE GROVE | 3,782 ft | -746 ft |
| ADMIRE | 4,203 ft | -1,167 ft |
| DOUGLAS | 4,920 ft | -1,884 ft |
| TONKAWA | 5,370 ft | -2,334 ft |
| K. CITY/CLEVELAND | 5,661 ft | -2,625 ft |
| K.CITY/CLEVELAND | 5,661 ft | -2,625 ft |
| MARMATON | 6,140 ft | -3,104 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 (4)
| Interval | Type |
|---|---|
| 6,143–6,160 ft | Perforated |
| 6,143–6,166 ft | Perforated |
| 6,343–6,360 ft | Perforated |
| ?–6,360 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,295 ft | 1,000 sx |
| 2.375" | 6,401 ft | — |
| 7" | 6,527 ft | 500 sx |
Permit History (1)
Applications (1)
Records & Logs
7 completion filings on record.
+1 more filings
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
- 6
- Max Depth
- 6,550 ft
- Drill Type
- Vertical
- County
- HANSFORD
- District
- 10
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 2010-09-10
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