42-317-38607
Final CompletionGLASS G.W. B
MARTIN County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
4
Max Depth
12,500 ft
First Permit
2013-04-10
Latest Activity
2013-04-10
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2013-11-21
Shut-In
—
Plugged
2024-04-24
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: THOMPSON, J. CLEO
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
1993-01
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 2,859 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP OF WOLFCAMP (Wolfcamp) | 9,332 ft | -6,473 ft |
| TOP OF STAWN | 10,437 ft | -7,578 ft |
| TOP OF STRAWN (Strawn) | 10,437 ft | -7,578 ft |
| TOP OF ATOKA (Atoka) | 10,622 ft | -7,763 ft |
| TOP OF MISSISSIPPIAN (Mississippian) | 11,377 ft | -8,518 ft |
| TOP OF WOODFORD (Woodford) | 11,503 ft | -8,644 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 |
|---|---|
| 9,341–11,560 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 421 ft | 415 sx |
| 8.625" | 5,267 ft | 1,550 sx |
| 5.5" | 11,762 ft | 750 sx |
Permit History (4)
Applications (4)
Records & Logs
3 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
- 30
- Max Depth
- 12,500 ft
- Drill Type
- Vertical
- County
- MARTIN
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2013-11-21
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