42-317-42786
PRODUCING HorizontalMABEE DDA K12
MARTIN County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
10,000 ft
First Permit
2019-12-30
Latest Activity
2019-12-30
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2021-02-23
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
2021-02
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 (20) Elevation 2,880 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,239 ft | +1,641 ft |
| SANTA ROSA | 1,318 ft | +1,562 ft |
| RUSTLER | 1,973 ft | +907 ft |
| TANSILL | 2,897 ft | -17 ft |
| YATES | 2,966 ft | -86 ft |
| YATES | 2,980 ft | -100 ft |
| SEVEN RIVERS | 3,307 ft | -427 ft |
| QUEEN | 3,785 ft | -905 ft |
| GRAYBURG | 3,985 ft | -1,105 ft |
| QUEEN | 4,060 ft | -1,180 ft |
| GRAYBURG | 4,709 ft | -1,829 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,713 ft | -1,833 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,774 ft | -1,894 ft |
| GLORIETA | 5,517 ft | -2,637 ft |
| SPRABERRY | 8,057 ft | -5,177 ft |
| JOMILL | 8,572 ft | -5,692 ft |
| DEAN | 9,300 ft | -6,420 ft |
| WOLFCAMP | 9,531 ft | -6,651 ft |
| CISCO | — | — |
| PENNSYLVANIAN | — | — |
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 |
|---|---|
| 9,898–22,407 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 452 ft | 500 sx |
| 10.75" | 5,571 ft | 1,530 sx |
| 5.5" | 22,505 ft | 990 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings 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
- 511KA
- Max Depth
- 10,000 ft
- Drill Type
- Horizontal
- County
- MARTIN
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2021-02-23
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
- 4,538