42-135-42733
PRODUCING HorizontalFENDLEY
ECTOR County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2013-09-04
Latest Activity
2013-09-04
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-03-12
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: RSP PERMIAN, LLC
Resolved via: production → COG OPERATING LLC
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
2014-03
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 (11) Elevation 2,921 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,402 ft | +1,519 ft |
| RUSTLER | 1,917 ft | +1,004 ft |
| YATES | 3,037 ft | -116 ft |
| SEVEN RIVERS | 3,397 ft | -476 ft |
| QUEEN | 4,163 ft | -1,242 ft |
| GRAYBURG | 4,693 ft | -1,772 ft |
| SAN ANDRES | 5,118 ft | -2,197 ft |
| GLORIETA | 6,019 ft | -3,098 ft |
| GLORIETTA (Glorieta) | 6,019 ft | -3,098 ft |
| CLEARFORK (Clear Fork) | 7,391 ft | -4,470 ft |
| UPPER SPRABERRY (Spraberry) | 8,249 ft | -5,328 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 |
|---|---|
| 8,744–13,512 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,603 ft | 1,300 sx |
| 9.625" | 5,700 ft | 800 sx |
| 5.5" | 13,577 ft | 890 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.
No GPS coordinates yet
Well Details
- Well Number
- 404MS
- Max Depth
- 12,000 ft
- Drill Type
- Horizontal
- County
- ECTOR
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2014-03-12
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