42-317-37101
Final CompletionMABEE 139
MARTIN County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,500 ft
First Permit
2011-08-11
Latest Activity
2011-08-11
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-10-23
Shut-In
—
Plugged
2021-09-22
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: OXY USA 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
2008-04
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 (6) Elevation 2,901 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 8,200 ft | -5,299 ft |
| DEAN | 9,350 ft | -6,449 ft |
| WOLFCAMP | 9,600 ft | -6,699 ft |
| LWR WOLFCAMP | 10,350 ft | -7,449 ft |
| STRAWN | 10,800 ft | -7,899 ft |
| ATOKA | 11,000 ft | -8,099 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 (8)
| Interval | Type |
|---|---|
| 7,666–7,873 ft | Perforated |
| 8,140–8,391 ft | Perforated |
| 8,840–9,118 ft | Perforated |
| 9,419–9,617 ft | Perforated |
| 9,851–10,045 ft | Perforated |
| 10,320–10,513 ft | Perforated |
| 10,759–10,966 ft | Perforated |
| 11,245–11,434 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,728 ft | 1,250 sx |
| 9.625" | 5,537 ft | 1,450 sx |
| 5.5" | 11,950 ft | 980 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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 814
- Max Depth
- 12,500 ft
- Drill Type
- Vertical
- County
- MARTIN
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2011-10-23
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