42-135-43045
PRODUCING HorizontalFENDLEY 4-02C
ECTOR County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
12,000 ft
First Permit
2014-05-09
Latest Activity
2014-05-09
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-12-17
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
2014-12
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 (11) Elevation 2,922 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA BASE (Santa Rosa) | 1,390 ft | +1,532 ft |
| YATES | 3,072 ft | -150 ft |
| SEVEN RIVERS | 3,432 ft | -510 ft |
| QUEEN | 4,178 ft | -1,256 ft |
| GRAYBURG | 4,743 ft | -1,821 ft |
| GLORIETA | 5,100 ft | -2,178 ft |
| HOLT | 5,110 ft | -2,188 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 5,118 ft | -2,196 ft |
| TUBB | 6,120 ft | -3,198 ft |
| CLEARFORK (Clear Fork) | 7,416 ft | -4,494 ft |
| SPRABERRY, UPPER (Spraberry) | 8,246 ft | -5,324 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 |
|---|---|
| 8,598–18,424 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,620 ft | 1,165 sx |
| 9.625" | 8,405 ft | 680 sx |
| 5.5" | 18,582 ft | 2,000 sx |
Permit History (2)
Applications (2)
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
- 405MS
- Max Depth
- 12,000 ft
- Drill Type
- Horizontal
- County
- ECTOR
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2014-12-17
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
- 4,538