42-461-32879
Final CompletionBLACKWELL
UPTON County · District 7 · COG OPERATING LLC · PEGASUS (CONSOLIDATED)
Permits
2
Max Depth
11,000 ft
First Permit
1989-02-07
Latest Activity
2005-07-25
Lifespan
16 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2005-10-21
Shut-In
—
Plugged
2019-04-12
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
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 (8) Elevation 2,876 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,777 ft | -1,901 ft |
| SAN ANDRES | 4,780 ft | -1,904 ft |
| CLEARFORK (Clear Fork) | 6,925 ft | -4,049 ft |
| SPRABERRY | 7,490 ft | -4,614 ft |
| DEAN | 8,912 ft | -6,036 ft |
| WOLFCAMP | 9,015 ft | -6,139 ft |
| WOLFCAMP LIME (Wolfcamp) | 9,190 ft | -6,314 ft |
| PENN LIME (Pennsylvanian) | 10,460 ft | -7,584 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 |
|---|---|
| 8,496–9,746 ft | Perforated |
| 10,466–10,570 ft | Perforated |
| 10,487–10,496 ft | Perforated |
| 10,507–10,512 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 422 ft | 500 sx |
| 9.625" | 4,733 ft | 2,400 sx |
| 9.625" | 4,733 ft | 2,400 sx |
| 5.5" | 10,660 ft | 1,250 sx |
| 5.5" | 10,660 ft | 1,850 sx |
Permit History (2)
Applications (2)
Records & Logs
6 completion filings on record · 3 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
- 4701
- Max Depth
- 11,000 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 2005-10-21
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
- 4,565