42-329-36298
Final CompletionSPANISH TRAIL
MIDLAND County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
11,300 ft
First Permit
2009-05-11
Latest Activity
2009-05-11
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2009-08-03
Shut-In
—
Plugged
2019-11-12
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: E.G.L. RESOURCES, INC.
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
2008-06
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 (7) Elevation 2,876 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 7,610 ft | -4,734 ft |
| UPPER SPRABERRY (Spraberry) | 8,140 ft | -5,264 ft |
| LOWER SPRABERRY (Spraberry) | 8,742 ft | -5,866 ft |
| DEAN | 9,380 ft | -6,504 ft |
| UPPER WOLFCAMP (Wolfcamp) | 9,646 ft | -6,770 ft |
| LOWER WOLFCAMP (Wolfcamp) | 10,080 ft | -7,204 ft |
| STRAWN | 10,640 ft | -7,764 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 (6)
| Interval | Type |
|---|---|
| 7,610–7,720 ft | Perforated |
| 8,140–8,959 ft | Perforated |
| 9,380–9,400 ft | Perforated |
| 9,646–9,950 ft | Perforated |
| 10,080–10,460 ft | Perforated |
| 10,640–10,660 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 379 ft | 275 sx |
| 5.5" | 10,760 ft | 1,800 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 3805
- Max Depth
- 11,300 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2009-08-03
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
- 4,550