42-461-39518
PRODUCINGSYLVIA
UPTON County · District 7 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
13,000 ft
First Permit
2014-08-11
Latest Activity
2014-08-11
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-10-30
Shut-In
—
Plugged
—
P-5 Org Status: X
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
2012-10
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 (10) Elevation 2,811 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,564 ft | +247 ft |
| GRAYBURG | 4,686 ft | -1,875 ft |
| SAN ANDRES - SALTWATER FLOW (San Andres) | 4,740 ft | -1,929 ft |
| CLEARFORK (Clear Fork) | 6,970 ft | -4,159 ft |
| SPRABERRY | 7,380 ft | -4,569 ft |
| WOLFCAMP | 8,660 ft | -5,849 ft |
| STRAWN | 10,300 ft | -7,489 ft |
| DEVONIAN | — | — |
| ELLENBURGER | — | — |
| FUSSELMAN | — | — |
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 |
|---|---|
| 6,980–10,808 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,226 ft | 900 sx |
| 5.5" | 10,987 ft | 1,100 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing 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
- 8215
- Max Depth
- 13,000 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 2014-10-30
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
- 4,541