42-003-48963
PRODUCING HorizontalMABEE DDA A27
ANDREWS County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
10,500 ft
First Permit
2024-05-16
Latest Activity
2024-05-16
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2025-07-16
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
2024-08
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 (15) Elevation 2,969 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 3,146 ft | -177 ft |
| SEVEN RIVERS | 3,468 ft | -499 ft |
| QUEEN | 4,264 ft | -1,295 ft |
| QUEEN | 4,267 ft | -1,298 ft |
| GRAYBURG | 4,855 ft | -1,886 ft |
| GRAYBURG | 4,857 ft | -1,888 ft |
| SAN ANDRES - CO2 FLOOD, HIGH FLO (San Andres) | 5,132 ft | -2,163 ft |
| SAN ANDRES - CO2 FLOOD, HIGH FLO (San Andres) | 5,133 ft | -2,164 ft |
| GLORIETA | 5,751 ft | -2,782 ft |
| GLORIETA | 5,766 ft | -2,797 ft |
| CLEARFORK (Clear Fork) | 7,082 ft | -4,113 ft |
| CLEARFORK (Clear Fork) | 7,086 ft | -4,117 ft |
| HOLT | — | — |
| PERMIAN DETRITAL (Permian (undifferentiated)) | — | — |
| TUBB | — | — |
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 |
|---|---|
| 9,868–20,213 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,865 ft | 1,375 sx |
| 9.625" | 8,985 ft | 2,250 sx |
| 5.5" | 20,295 ft | 2,765 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
- 312LH
- Max Depth
- 10,500 ft
- Drill Type
- Horizontal
- County
- ANDREWS
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2025-07-16
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
- 4,554