42-003-42333
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ANDREWS County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
11,900 ft
First Permit
2010-12-16
Latest Activity
2010-12-16
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2011-04-16
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: HIGH SKY PARTNERS LLC
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
2010-07
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 (6) Elevation 2,945 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 4,741 ft | -1,796 ft |
| CLEARFORK (Clear Fork) | 6,952 ft | -4,007 ft |
| UPPER SPRABERRY (Spraberry) | 8,355 ft | -5,410 ft |
| WOLFCAMP SHALE (Wolfcamp) | 9,676 ft | -6,731 ft |
| STRAWN | 10,814 ft | -7,869 ft |
| ATOKA | 11,014 ft | -8,069 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 |
|---|---|
| 7,278–11,271 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,754 ft | 1,400 sx |
| 8.625" | 5,710 ft | 900 sx |
| 5.5" | 11,783 ft | 1,500 sx |
Permit History (1)
Applications (1)
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
- 4004
- Max Depth
- 11,900 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2011-04-16
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