42-317-38952
PRODUCINGGLASS G.W. B
MARTIN County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
12,500 ft
First Permit
2013-10-01
Latest Activity
2013-10-01
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-01-21
Shut-In
—
Plugged
—
P-5 Org Status: X
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 2,861 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP OF SPRAYBERRY (Spraberry) | 7,844 ft | -4,983 ft |
| TOP OF WOLCAMP | 8,346 ft | -5,485 ft |
| TOP OF STRAWN (Strawn) | 10,409 ft | -7,548 ft |
| TOP OF ATOKA (Atoka) | 10,573 ft | -7,712 ft |
| TOP OF MISSISSIPIAN | 11,386 ft | -8,525 ft |
| TOP OF DEVONIAN (Devonian) | 11,606 ft | -8,745 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 |
|---|---|
| 9,344–11,598 ft | Open hole |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 418 ft | 415 sx |
| 8.625" | 5,220 ft | 1,600 sx |
| 5.5" | 11,825 ft | 1,000 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
- 19R
- Max Depth
- 12,500 ft
- Drill Type
- Vertical
- County
- MARTIN
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2014-01-21
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