42-317-42060
Final Completion HorizontalMABEE DDA L1
MARTIN County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA) R 40 EXC
Permits
1
Max Depth
10,800 ft
First Permit
2019-01-30
Latest Activity
2019-01-30
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2019-06-11
Shut-In
—
Plugged
—
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
2019-06
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 2,828 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,229 ft | +1,599 ft |
| YATES | 2,903 ft | -75 ft |
| QUEEN | 3,680 ft | -852 ft |
| GRAYBURG | 3,950 ft | -1,122 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,633 ft | -1,805 ft |
| SPRABERRY | 8,051 ft | -5,223 ft |
| CISCO | 8,500 ft | -5,672 ft |
| DEAN | — | — |
| PENNSYLVANIAN | — | — |
| WOLFCAMP | — | — |
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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 10,847–20,304 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,826 ft | 1,350 sx |
| 10.75" | 6,835 ft | 1,525 sx |
| 7.625" | 9,765 ft | 535 sx |
| 5.5" | 20,481 ft | 1,515 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 2 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.
Well Details
- Well Number
- 8510LD
- Max Depth
- 10,800 ft
- Drill Type
- Horizontal
- County
- MARTIN
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2019-06-11
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