42-329-32222
Final CompletionPEGASUS PENNSYLVANIAN UNIT
MIDLAND County · District 7 · COG OPERATING LLC · PEGASUS (PENNSYLVANIAN)
Permits
1
Max Depth
11,000 ft
First Permit
1990-03-23
Latest Activity
1990-03-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1993-05-11
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 (6) Elevation 2,874 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SEVEN RIVERS | 2,980 ft | -106 ft |
| SAN ANDRES | 4,963 ft | -2,089 ft |
| UPPER SPRABERRY (Spraberry) | 7,776 ft | -4,902 ft |
| WOLFCAMP LS (Wolfcamp) | 8,280 ft | -5,406 ft |
| PENN-CANYON (Pennsylvanian) | 10,148 ft | -7,274 ft |
| PENN-ATOKA SHALE (Pennsylvanian) | 10,424 ft | -7,550 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 |
|---|---|
| 10,510–10,602 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 390 ft | 500 sx |
| 13.375" | 450 ft | 500 sx |
| 8.625" | 4,767 ft | 1,600 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 303
- Max Depth
- 11,000 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 1993-05-11
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