42-109-32429
HorizontalLORENA
CULBERSON County · District 8 · COG OPERATING LLC · SANDBAR (BONE SPRING)
Permits
3
Max Depth
10,450 ft
First Permit
2011-08-31
Latest Activity
2011-08-31
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2012-01-26
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
2012-03
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 (5) Elevation 3,312 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| DELAWARE | 2,048 ft | +1,264 ft |
| UPPER BONE SPRING (Bone Spring) | 5,719 ft | -2,407 ft |
| UPPER BONE SPRING (Bone Spring) | 6,022 ft | -2,710 ft |
| LOWER BONE SPRING (Bone Spring) | 6,252 ft | -2,940 ft |
| LOWER BONE SPRING (Bone Spring) | 6,620 ft | -3,308 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 ↗
Perforations (1)
| Interval | Type |
|---|---|
| 7,757–11,730 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 317 ft | 350 sx |
| 9.625" | 2,030 ft | 700 sx |
| 5.5" | 11,753 ft | 2,150 sx |
Permit History (3)
Applications (3)
Records & Logs
4 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.
No GPS coordinates yet
Well Details
- Well Number
- 4H
- Max Depth
- 10,450 ft
- Drill Type
- Horizontal
- County
- CULBERSON
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2012-01-26
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
- 4,550