42-329-01045
Final CompletionPEGASUS SPRABERRY UNIT
MIDLAND County · District 7 · COG OPERATING LLC · PEGASUS (CONSOLIDATED)
Permits
2
Max Depth
11,870 ft
First Permit
1987-06-04
Latest Activity
1994-07-07
Lifespan
7 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1994-12-12
Shut-In
—
Plugged
2019-11-05
EWA / Production operator mismatch
Scheduling: COG OPERATING LLC ≠ Production: XTO ENERGY INC. (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.
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
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 2,850 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 7,604 ft | -4,754 ft |
| WOLFCAMP | 9,137 ft | -6,287 ft |
| PENNSYLVANIAN | 10,083 ft | -7,233 ft |
| DEVONIAN | 11,373 ft | -8,523 ft |
| FUSSELMAN | 12,148 ft | -9,298 ft |
| ELLENBURGER | 12,920 ft | -10,070 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 |
|---|---|
| 7,622–8,492 ft | Perforated |
| 11,669–11,803 ft | Perforated |
| 12,927–13,136 ft | Open hole |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 461 ft | — |
| 9.625" | 4,677 ft | 2,744 sx |
| 9.625" | 4,686 ft | — |
| 7.625" | 9,220 ft | — |
| 7.625" | 9,223 ft | 975 sx |
Permit History (2)
Applications (2)
Records & Logs
6 completion filings on record · 3 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
- 110
- Max Depth
- 11,870 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 1994-12-12
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