Permits
1
Max Depth
13,000 ft
First Permit
2014-09-12
Latest Activity
2014-09-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2015-05-06
Shut-In
—
Plugged
—
P-5 Org Status: X
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
2012-11
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 2,734 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,074 ft | +660 ft |
| GRAYBURG | 4,525 ft | -1,791 ft |
| SAN ANDRES - SALTWATER FLOW (San Andres) | 4,590 ft | -1,856 ft |
| CLEARFORK (Clear Fork) | 6,330 ft | -3,596 ft |
| SPRABERRY | 7,160 ft | -4,426 ft |
| WOLFCAMP | 8,485 ft | -5,751 ft |
| STRAWN | 10,140 ft | -7,406 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 |
|---|---|
| 7,287–10,762 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,204 ft | 600 sx |
| 5.5" | 10,870 ft | 1,390 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
- 8508
- Max Depth
- 13,000 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 2015-05-06
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