42-461-33193
Final CompletionPEGASUS PENNSYLVANIAN UNIT
UPTON County · District 7 · COG OPERATING LLC · PEGASUS (CONSOLIDATED)
Permits
1
Max Depth
11,000 ft
First Permit
1991-10-30
Latest Activity
1991-10-30
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1992-04-20
Shut-In
—
Plugged
2015-01-23
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
Injection / Disposal
UPTON County disposal market →Permitted Volume
1,000 bbl/d
Max Pressure
5,000 psi
Injection Interval
10,504–10,594 ft
Injected (12mo)
—
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 (6) Elevation 2,868 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,774 ft | -1,906 ft |
| SPRABERRY | 7,698 ft | -4,830 ft |
| WOLFCAMP | 9,254 ft | -6,386 ft |
| STRAWN | 10,278 ft | -7,410 ft |
| ATOKA | 10,410 ft | -7,542 ft |
| PENNSYLVANIAN | 10,489 ft | -7,621 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 |
|---|---|
| 10,504–10,594 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 390 ft | 500 sx |
| 8.625" | 4,824 ft | 1,750 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record · 2 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
- 1803W
- Max Depth
- 11,000 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 1992-04-20
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
- 4,559