42-317-39470
SHUT INMABEE 139
MARTIN County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
13,000 ft
First Permit
2014-07-07
Latest Activity
2014-07-07
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-09-20
Shut-In
—
Plugged
—
P-5 Org Status: X
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 (10) Elevation 2,854 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,000 ft | +1,854 ft |
| YATES | 2,989 ft | -135 ft |
| QUEEN | 4,040 ft | -1,186 ft |
| GRAYBURG | 4,749 ft | -1,895 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,937 ft | -2,083 ft |
| CLEARFORK (Clear Fork) | 6,821 ft | -3,967 ft |
| SPRABERRY | 8,083 ft | -5,229 ft |
| DEAN | 9,334 ft | -6,480 ft |
| WOLFCAMP | 9,546 ft | -6,692 ft |
| CISCO | — | — |
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 (1)
| Interval | Type |
|---|---|
| 8,053–10,840 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 1,737 ft | 930 sx |
| 8.625" | 5,515 ft | 1,230 sx |
| 5.5" | 11,200 ft | 310 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
- 507
- Max Depth
- 13,000 ft
- Drill Type
- Vertical
- County
- MARTIN
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2014-09-20
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