42-461-01714
Final CompletionPEGASUS SPRABERRY UNIT
UPTON County · District 7 · COG OPERATING LLC · PEGASUS (SPRABERRY)
Permits
1
Max Depth
9,905 ft
First Permit
1994-03-10
Latest Activity
1994-03-10
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1994-06-30
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
Injection / Disposal
UPTON County disposal market →Permitted Volume
1,500 mcf/d
Max Pressure
—
Injection Interval
11,677–11,984 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 (4) Elevation 2,882 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 7,628 ft | -4,746 ft |
| WOLFCAMP | 9,131 ft | -6,249 ft |
| PENNSYLVANIAN | 10,050 ft | -7,168 ft |
| DEVONIAN | 11,300 ft | -8,418 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 |
|---|---|
| 7,628–7,820 ft | Perforated |
| 11,677–11,984 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 455 ft | 350 sx |
| 10.75" | 455 ft | 350 sx |
| 7.875" | 4,670 ft | 2,333 sx |
| 7.625" | 4,670 ft | 1,275 sx |
| 7.625" | 4,670 ft | 2,333 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
- 1709
- Max Depth
- 9,905 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 1994-06-30
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