42-461-03363
Final CompletionPEGASUS PENNSYLVANIAN UNIT
UPTON County · District 7 · COG OPERATING LLC · PEGASUS (PENNSYLVANIAN)
Permits
1
Max Depth
13,340 ft
First Permit
2002-03-27
Latest Activity
2002-03-27
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2002-08-01
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: COG OPERATING LLC ≠ Production: XTO ENERGY INC. (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: HENRY PETROLEUM LP
Resolved via: production → XTO ENERGY INC.
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
8 mcf/d
Max Pressure
4,000 psi
Injection Interval
12,930–13,058 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 (10) Elevation 2,873 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WOLFCAMP | 9,175 ft | -6,302 ft |
| PENNSYLVANIAN | 10,035 ft | -7,162 ft |
| PENNSYLVANIAN | 10,070 ft | -7,197 ft |
| PENNSYLVANIAN POR. (Pennsylvanian) | 10,215 ft | -7,342 ft |
| DEVONIAN | 11,300 ft | -8,427 ft |
| FUSSELMAN | 12,050 ft | -9,177 ft |
| FUSSELMAN | 12,120 ft | -9,247 ft |
| SIMPSON | 12,260 ft | -9,387 ft |
| ELLENBURGER | 12,680 ft | -9,807 ft |
| ELLENBURGER | 12,700 ft | -9,827 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 (3)
| Interval | Type |
|---|---|
| 10,232–10,300 ft | Perforated |
| 12,670–12,780 ft | Perforated |
| 12,930–13,050 ft | Perforated |
Casing (8)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 458 ft | 400 sx |
| 13.375" | 458 ft | — |
| 9.625" | 4,666 ft | 4,365 sx |
| 9.625" | 4,666 ft | — |
| 7.625" | 9,300 ft | 1,930 sx |
| 7.625" | 9,300 ft | — |
| 5.5" | 12,758 ft | 491 sx |
| 5.5" | 12,758 ft | — |
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
- 2502
- Max Depth
- 13,340 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 2002-08-01
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