42-461-34038
Final CompletionSYLVIA
UPTON County · District 7 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
11,000 ft
First Permit
2000-04-14
Latest Activity
2012-06-04
Lifespan
12 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2013-02-10
Shut-In
—
Plugged
2018-05-10
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: SUMMIT PETROLEUM LLC
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
2000-08
Last Production
2026-07
Injection / Disposal
UPTON County disposal market →Permitted Volume
3,000 bbl/d
Max Pressure
2,500 psi
Injection Interval
8,000–9,600 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 (9) Elevation 2,806 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,750 ft | -1,944 ft |
| T/SAN ANDRES | 4,750 ft | -1,944 ft |
| CLEARFORK (Clear Fork) | 6,635 ft | -3,829 ft |
| LEONARD 1 (Leonard) | 7,215 ft | -4,409 ft |
| LEONARD 3 (Leonard) | 7,810 ft | -5,004 ft |
| DEAN | 8,570 ft | -5,764 ft |
| T/DEAN | 8,570 ft | -5,764 ft |
| T/WOLFCAMP | 8,655 ft | -5,849 ft |
| WOLFCAMP | 8,655 ft | -5,849 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 (5)
| Interval | Type |
|---|---|
| 6,635–7,986 ft | Perforated |
| 8,916–9,216 ft | Perforated |
| 9,202–9,213 ft | Perforated |
| 9,208–9,280 ft | Perforated |
| 9,376–9,406 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 533 ft | 329 sx |
| 7" | 8,567 ft | 1,305 sx |
| 4.5" | 9,496 ft | 1,055 sx |
Permit History (2)
Applications (2)
Records & Logs
10 completion filings on record · 5 with log images at RRC.
+4 more filings
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
- 11,000 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 2013-02-10
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