42-329-36526
Final CompletionSPANISH TRAIL
MIDLAND County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
11,300 ft
First Permit
2010-02-22
Latest Activity
2010-02-22
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2010-12-01
Shut-In
—
Plugged
2025-04-15
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 2,881 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER SPRABERRY (Spraberry) | 8,134 ft | -5,253 ft |
| LOWER SPRABERRY (Spraberry) | 8,736 ft | -5,855 ft |
| DEAN | 9,372 ft | -6,491 ft |
| UPPER WOLFCAMP (Wolfcamp) | 9,650 ft | -6,769 ft |
| MIDDLE WOLFCAMP (Wolfcamp) | 9,926 ft | -7,045 ft |
| LOWER WOLFCAMP (Wolfcamp) | 10,274 ft | -7,393 ft |
| STRAWN | 10,678 ft | -7,797 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 (7)
| Interval | Type |
|---|---|
| 8,134–8,430 ft | Perforated |
| 8,736–9,022 ft | Perforated |
| 9,372–9,424 ft | Perforated |
| 9,650–9,714 ft | Perforated |
| 9,926–10,000 ft | Perforated |
| 10,274–10,600 ft | Perforated |
| 10,678–10,692 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 380 ft | 350 sx |
| 5.5" | 10,785 ft | 1,815 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 4705
- Max Depth
- 11,300 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2010-12-01
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