42-461-33325
Final CompletionPEGASUS PENNSYLVANIAN UNIT
UPTON County · District 7 · COG OPERATING LLC · PEGASUS (PENNSYLVANIAN)
Permits
2
Max Depth
16,000 ft
First Permit
1992-09-17
Latest Activity
1994-05-13
Lifespan
2 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1994-06-06
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.
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 (7) Elevation 2,874 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,758 ft | -1,884 ft |
| SPRABERRY | 7,597 ft | -4,723 ft |
| STRAWN | 10,000 ft | -7,126 ft |
| PENNSYLVANIAN | 10,188 ft | -7,314 ft |
| DEVONIAN | 11,256 ft | -8,382 ft |
| ELLENBURGER | 12,164 ft | -9,290 ft |
| ELLENBURGER | 12,664 ft | -9,790 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 (2)
| Interval | Type |
|---|---|
| 10,198–10,263 ft | Perforated |
| 12,535–13,205 ft | Open hole |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 421 ft | 1,500 sx |
| 10.75" | 4,845 ft | 2,500 sx |
| 7.625" | 12,535 ft | 2,150 sx |
Permit History (2)
Applications (2)
Records & Logs
5 completion filings on record · 4 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
- 1725
- Max Depth
- 16,000 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 1994-06-06
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