42-317-46945
SHUT IN HorizontalMABEE DDA E10
MARTIN County · District 10 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
9,200 ft
First Permit
2025-07-25
Latest Activity
2025-07-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2026-01-21
Shut-In
—
Plugged
—
P-5 Org Status: X
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
2026-01
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 2,879 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,270 ft | +1,609 ft |
| YATES | 2,947 ft | -68 ft |
| QUEEN | 3,669 ft | -790 ft |
| GRAYBURG | 4,202 ft | -1,323 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,708 ft | -1,829 ft |
| CLEARFORK (Clear Fork) | 6,843 ft | -3,964 ft |
| SPRABERRY | 8,285 ft | -5,406 ft |
| MIDDLE SPRABERRY (Spraberry) | 8,637 ft | -5,758 ft |
| DEAN | 9,547 ft | -6,668 ft |
| WOLFCAMP | 9,811 ft | -6,932 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 ↗
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).
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 2,100 ft | 1,045 sx |
| 8.625" | 5,792 ft | 705 sx |
| 5.5" | 21,223 ft | 2,270 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.
Well Details
- Well Number
- 309MH
- Max Depth
- 9,200 ft
- Drill Type
- Horizontal
- County
- MARTIN
- District
- 10
- Operator
- COG OPERATING LLC
- Completed
- 2026-01-21
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
- 4,538