42-329-38022
PRODUCINGSTO SEC 11
MIDLAND County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2012-04-20
Latest Activity
2012-04-20
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2012-10-18
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: E.G.L. RESOURCES, INC.
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
2011-08
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 2,879 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 8,110 ft | -5,231 ft |
| DEAN | 9,420 ft | -6,541 ft |
| WOLFCAMP | 9,664 ft | -6,785 ft |
| STRAWN | 10,698 ft | -7,819 ft |
| ATOKA | 10,888 ft | -8,009 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 (13)
| Interval | Type |
|---|---|
| 8,110–8,380 ft | Perforated |
| 8,110–11,420 ft | Perforated |
| 8,625–8,826 ft | Perforated |
| 8,977–9,220 ft | Perforated |
| 9,420–9,440 ft | Perforated |
| 9,528–9,548 ft | Perforated |
| 9,664–9,744 ft | Perforated |
| 9,930–10,000 ft | Perforated |
| 10,206–10,500 ft | Perforated |
| 10,698–10,718 ft | Perforated |
| 10,888–10,940 ft | Perforated |
| 11,114–11,164 ft | Perforated |
| 11,380–11,420 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 240 ft | 300 sx |
| 8.625" | 5,188 ft | 2,210 sx |
| 8" | 5,188 ft | 2,210 sx |
| 5.5" | 11,505 ft | 1,655 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1115
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2012-10-18
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