42-135-43518
Final Completion HorizontalPARKS BELL
ECTOR County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2017-05-02
Latest Activity
2017-05-02
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2018-03-05
Shut-In
—
Plugged
—
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
2008-06
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 2,970 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA BASE (Santa Rosa) | 1,849 ft | +1,121 ft |
| YATES | 3,020 ft | -50 ft |
| SEVEN RIVERS | 3,341 ft | -371 ft |
| QUEEN | 4,187 ft | -1,217 ft |
| GRAYBURG | 4,454 ft | -1,484 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 4,943 ft | -1,973 ft |
| HOLT | 5,540 ft | -2,570 ft |
| GLORIETA | 7,240 ft | -4,270 ft |
| CLEARFORK (Clear Fork) | 7,443 ft | -4,473 ft |
| TUBB | 7,940 ft | -4,970 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 |
|---|---|
| 9,573–16,613 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,606 ft | 1,470 sx |
| 9.625" | 8,595 ft | 560 sx |
| 5.5" | 16,706 ft | 1,530 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
- 3925H
- Max Depth
- 12,000 ft
- Drill Type
- Horizontal
- County
- ECTOR
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2018-03-05
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