42-329-36120
SHUT INSPANISH TRAIL
MIDLAND County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
11,300 ft
First Permit
2008-10-11
Latest Activity
2008-10-11
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2009-02-16
Shut-In
—
Plugged
—
P-5 Org Status: X
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 (5) Elevation 2,893 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LEONARD, LOWER (Leonard) | 8,145 ft | -5,252 ft |
| UPPER WOLFCAMP (Wolfcamp) | 9,635 ft | -6,742 ft |
| LOWER WOLFCAMP (Wolfcamp) | 10,082 ft | -7,189 ft |
| STRAWN | 10,620 ft | -7,727 ft |
| ATOKA | 10,980 ft | -8,087 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 (5)
| Interval | Type |
|---|---|
| 8,145–9,005 ft | Perforated |
| 9,635–9,924 ft | Perforated |
| 10,082–10,432 ft | Perforated |
| 10,620–10,640 ft | Perforated |
| 10,980–11,000 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 300 ft | 335 sx |
| 8.625" | 5,802 ft | 545 sx |
| 5.5" | 11,193 ft | 1,076 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
- 307
- Max Depth
- 11,300 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2009-02-16
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