42-329-36386
PRODUCINGSPANISH TRAIL
MIDLAND County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
11,300 ft
First Permit
2009-10-20
Latest Activity
2009-10-20
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2010-01-16
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 (8) Elevation 2,871 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER SPRABERRY (Spraberry) | 8,181 ft | -5,310 ft |
| LOWER SPRABERRY (Spraberry) | 8,540 ft | -5,669 ft |
| DEAN | 9,380 ft | -6,509 ft |
| UPPER WOLFCAMP (Wolfcamp) | 9,720 ft | -6,849 ft |
| MIDDLE WOLFCAMP (Wolfcamp) | 9,920 ft | -7,049 ft |
| LOWER WOLFCAMP (Wolfcamp) | 10,130 ft | -7,259 ft |
| PENN (Pennsylvanian) | 10,510 ft | -7,639 ft |
| STRAWN | 10,670 ft | -7,799 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 |
|---|---|
| 8,181–8,373 ft | Perforated |
| 8,540–9,030 ft | Perforated |
| 9,380–9,400 ft | Perforated |
| 9,720–10,480 ft | Perforated |
| 10,670–10,726 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 374 ft | 225 sx |
| 5.5" | 10,786 ft | 1,720 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
- 3803
- Max Depth
- 11,300 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2010-01-16
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