42-461-34017
Final CompletionCAROLYN
UPTON County · District 7 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
9,600 ft
First Permit
2000-01-11
Latest Activity
2015-02-12
Lifespan
15 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2016-11-28
Shut-In
—
Plugged
2017-06-16
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: SUMMIT PETROLEUM LLC
Resolved via: scheduling → 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
2000-03
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 (4) Elevation 2,728 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 7,125 ft | -4,397 ft |
| T. SPRABERRY | 7,125 ft | -4,397 ft |
| T. WOLFCAMP | 8,420 ft | -5,692 ft |
| WOLFCAMP | 8,420 ft | -5,692 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 |
|---|---|
| 9,275–9,315 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 554 ft | 270 sx |
| 8.625" | 4,485 ft | 1,350 sx |
| 5.5" | 9,400 ft | 725 sx |
Permit History (2)
Applications (2)
Records & Logs
5 completion filings on record · 1 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
- 1
- Max Depth
- 9,600 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 2016-11-28
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
- 4,541