42-135-43451
Final Completion HorizontalPARKS BELL
ECTOR County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2016-11-09
Latest Activity
2016-11-09
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2017-02-17
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 2,967 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA BASE (Santa Rosa) | 1,100 ft | +1,867 ft |
| YATES | 3,092 ft | -125 ft |
| SEVEN RIVERS | 3,467 ft | -500 ft |
| QUEEN | 4,234 ft | -1,267 ft |
| GRAYBURG | 4,404 ft | -1,437 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 4,942 ft | -1,975 ft |
| SPRABERRY | 8,350 ft | -5,383 ft |
| DEAN | 9,342 ft | -6,375 ft |
| ELLENBURGER | — | — |
| HOLT | — | — |
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 |
|---|---|
| 9,755–16,861 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,603 ft | 1,040 sx |
| 9.625" | 8,781 ft | 580 sx |
| 5.5" | 16,953 ft | 2,130 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
- 3924H
- Max Depth
- 12,000 ft
- Drill Type
- Horizontal
- County
- ECTOR
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2017-02-17
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