42-461-33857
Final CompletionNEAL RANCH 44 Z
UPTON County · District 7 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
10,150 ft
First Permit
1997-09-11
Latest Activity
1997-09-11
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1997-11-05
Shut-In
—
Plugged
2024-10-04
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: ARCO PERMIAN
Resolved via: scheduling → 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
1997-11
Last Production
2026-06
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 (4) Elevation 2,802 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 6,851 ft | -4,049 ft |
| SPRABERRY | 7,679 ft | -4,877 ft |
| DEAN | 9,071 ft | -6,269 ft |
| WOLFCAMP | 9,232 ft | -6,430 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 (4)
| Interval | Type |
|---|---|
| 7,790–7,810 ft | Perforated |
| 8,530–8,550 ft | Perforated |
| 9,380–9,400 ft | Perforated |
| 9,790–9,810 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 405 ft | 200 sx |
| 8.625" | 4,995 ft | 400 sx |
| 5.5" | 10,018 ft | 960 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
- 1
- Max Depth
- 10,150 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- COG OPERATING LLC
- Completed
- 1997-11-05
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
- 4,550