42-461-32542
Final CompletionNEAL H. F. 8
UPTON County · District 7 · MARATHON OIL COMPANY · BENEDUM (WOLFCAMP)
Permits
1
Max Depth
9,000 ft
First Permit
1985-12-23
Latest Activity
1985-12-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-01-29
Shut-In
—
Plugged
2019-02-08
EWA / Production operator mismatch
Scheduling: MARATHON OIL COMPANY ≠ Production: ARCO PERMIAN (reported 1997-10)
Resolved via: scheduling → MARATHON OIL COMPANY
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
2019-02
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 2,697 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER SPRABERRY (Spraberry) | 6,676 ft | -3,979 ft |
| LOWER SPRABERRY (Spraberry) | 7,530 ft | -4,833 ft |
| DEAN | 8,063 ft | -5,366 ft |
| WOLFCAMP | 8,816 ft | -6,119 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 |
|---|---|
| 8,817–8,827 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 600 ft | 600 sx |
| 8.625" | 4,770 ft | 1,400 sx |
| 5.5" | 8,900 ft | 775 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
- 8
- Max Depth
- 9,000 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- MARATHON OIL COMPANY
- Completed
- 1986-01-29
Operator
- Name
- MARATHON OIL CO
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-08-14)
- Cum Oil (all leases)
- 183,150,113 bbl
- Cum Gas (all leases)
- 1,013,063,895 mcf
- Activities
- CSGD/P, G/PUR
- Total Permits
- 3,707