42-109-32860
PRODUCING HorizontalWETHERBEE UNIT
CULBERSON County · District 8 · COG OPERATING LLC · FORD WEST (WOLFCAMP)
Permits
1
Max Depth
11,000 ft
First Permit
2015-06-12
Latest Activity
2015-06-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2017-05-17
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
2015-12
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 3,017 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 494 ft | +2,523 ft |
| FORD-DELAWARE (Delaware) | 2,500 ft | +517 ft |
| DELAWARE | 2,600 ft | +417 ft |
| CHERRY CANYON | 3,451 ft | -434 ft |
| BONE SPRINGS (Bone Spring) | 6,220 ft | -3,203 ft |
| MISSISSIPPIAN | 8,900 ft | -5,883 ft |
| WOLFCAMP | 9,278 ft | -6,261 ft |
| ATOKA | — | — |
| MORROW | — | — |
| STRAWN | — | — |
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 |
|---|---|
| 10,591–14,995 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 360 ft | 400 sx |
| 9.625" | 2,550 ft | 950 sx |
| 7" | 9,638 ft | 1,050 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.
No GPS coordinates yet
Well Details
- Well Number
- 421H
- Max Depth
- 11,000 ft
- Drill Type
- Horizontal
- County
- CULBERSON
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2017-05-17
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