42-317-37980
Final CompletionMABEE 139
MARTIN County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
13,000 ft
First Permit
2012-04-17
Latest Activity
2012-04-17
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2012-10-23
Shut-In
—
Plugged
2026-02-18
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 (3) Elevation 2,924 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 8,190 ft | -5,266 ft |
| WOLFCAMP | 9,628 ft | -6,704 ft |
| STRAWN | 10,724 ft | -7,800 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 |
|---|---|
| 8,510–8,770 ft | Perforated |
| 8,996–9,223 ft | Perforated |
| 9,652–9,800 ft | Perforated |
| 10,742–10,888 ft | Perforated |
| 11,249–11,494 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 1,759 ft | 940 sx |
| 8.625" | 5,514 ft | 840 sx |
| 5.5" | 11,805 ft | 1,000 sx |
Permit History (2)
Applications (2)
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
- 4320
- Max Depth
- 13,000 ft
- Drill Type
- Vertical
- County
- MARTIN
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2012-10-23
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
- 4,547