42-003-41518
Final CompletionMUSTANG
ANDREWS County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
11,800 ft
First Permit
2010-03-10
Latest Activity
2010-03-10
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2010-06-12
Shut-In
—
Plugged
2022-08-10
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: HIGH SKY PARTNERS 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
2009-11
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 (5) Elevation 2,938 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 7,514 ft | -4,576 ft |
| SPRABERRY | 8,540 ft | -5,602 ft |
| WOLFCAMP | 9,778 ft | -6,840 ft |
| STRAWN | 10,879 ft | -7,941 ft |
| ATOKA | 11,140 ft | -8,202 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 |
|---|---|
| 7,514–11,526 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 398 ft | 420 sx |
| 8.625" | 5,777 ft | 1,700 sx |
| 5.5" | 11,747 ft | 1,300 sx |
Permit History (2)
Applications (2)
Records & Logs
1 completion filing 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
- 3501
- Max Depth
- 11,800 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2010-06-12
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
- 4,547