42-461-34453
Final CompletionAMACKER
UPTON County · District 7 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
10,500 ft
First Permit
2003-10-30
Latest Activity
2003-10-30
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2005-06-06
Shut-In
—
Plugged
2017-05-09
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: HENRY PETROLEUM LP
Resolved via: production → COG 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
2004-05
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (5) Elevation 2,785 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 6,425 ft | -3,640 ft |
| UPPER SPRABERRY (Spraberry) | 7,265 ft | -4,480 ft |
| DEAN | 8,502 ft | -5,717 ft |
| WOLFCAMP | 8,590 ft | -5,805 ft |
| BASE WOLFCAMP (Wolfcamp) | 10,142 ft | -7,357 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 |
|---|---|
| 8,750–10,070 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 565 ft | 550 sx |
| 8.625" | 4,950 ft | 300 sx |
| 5.5" | 10,297 ft | 1,110 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 8401
- Max Depth
- 10,500 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 2005-06-06
Operator
- Name
- COG OPER LLC
- Location
- MIDLAND
- P-5 Status
- X (filed 2026-06-02)
- Cum Oil (all leases)
- 645,285,792 bbl
- Cum Gas (all leases)
- 305,183,488 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 4,550