Permits
2
Max Depth
10,800 ft
First Permit
2010-08-11
Latest Activity
2010-08-11
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-03-19
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: COG OPERATING LLC ≠ Production: DIAMONDBACK E&P LLC (reported 2025-08)
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
2007-06
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 (5) Elevation 2,719 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 6,390 ft | -3,671 ft |
| SPRABERRY | 7,155 ft | -4,436 ft |
| DEAN | 8,510 ft | -5,791 ft |
| LOWER WOLFCAMP (Wolfcamp) | 8,970 ft | -6,251 ft |
| BASE WOLFCAMP (Wolfcamp) | 10,310 ft | -7,591 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 |
|---|---|
| 6,855–10,170 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 798 ft | 430 sx |
| 5.5" | 10,513 ft | 970 sx |
Permit History (2)
Applications (2)
Records & Logs
2 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
- 3815
- Max Depth
- 10,800 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 2011-03-19
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
- 4,547