42-461-03281
Final CompletionPEGASUS PENNSYLVANIAN UNIT
UPTON County · District 7 · COG OPERATING LLC · PEGASUS (PENNSYLVANIAN)
Permits
1
Max Depth
11,500 ft
First Permit
2005-02-09
Latest Activity
2005-02-09
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2005-03-24
Shut-In
—
Plugged
—
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
Injection / Disposal
UPTON County disposal market →Permitted Volume
—
Max Pressure
5,000 psi
Injection Interval
12,818–13,118 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 (5) Elevation 2,877 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 7,630 ft | -4,753 ft |
| DEAN | 8,920 ft | -6,043 ft |
| WOLFCAMP | 9,028 ft | -6,151 ft |
| STRAWN | 10,108 ft | -7,231 ft |
| ATOKA | 10,240 ft | -7,363 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 |
|---|---|
| 10,352–10,403 ft | Perforated |
| 12,818–13,118 ft | Open hole |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 440 ft | 400 sx |
| 13.375" | 440 ft | 400 sx |
| 9.625" | 4,668 ft | 4,125 sx |
| 7.625" | 9,275 ft | 869 sx |
Permit History (1)
Applications (1)
Records & Logs
6 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
- 4203
- Max Depth
- 11,500 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 2005-03-24
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
- 4,538