42-329-37958
Final CompletionSPANISH TRAIL
MIDLAND County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2012-04-23
Latest Activity
2012-04-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2013-04-05
Shut-In
—
Plugged
2020-02-26
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 2,882 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 8,985 ft | -6,103 ft |
| DEAN | 9,360 ft | -6,478 ft |
| WOLFCAMP | 9,620 ft | -6,738 ft |
| CLINE | 10,260 ft | -7,378 ft |
| ATOKA | 10,814 ft | -7,932 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 (9)
| Interval | Type |
|---|---|
| 8,985–9,107 ft | Perforated |
| 9,360–9,430 ft | Perforated |
| 9,620–9,700 ft | Perforated |
| 9,914–10,006 ft | Perforated |
| 10,260–10,310 ft | Perforated |
| 10,500–10,580 ft | Perforated |
| 10,814–10,870 ft | Perforated |
| 11,118–11,210 ft | Perforated |
| 11,480–11,536 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 330 ft | 350 sx |
| 8.625" | 5,230 ft | 1,910 sx |
| 5.5" | 11,718 ft | 1,355 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
- 3813
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2013-04-05
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