42-317-35965
PRODUCINGGLASS RANCH
MARTIN County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
12,000 ft
First Permit
2010-04-15
Latest Activity
2010-04-15
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2010-08-17
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: PATRIOT 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
2009-09
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 (4) Elevation 2,887 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,530 ft | -1,643 ft |
| GLORETA | 5,450 ft | -2,563 ft |
| T. SPRABERRY | 7,875 ft | -4,988 ft |
| T. DEAN | 9,120 ft | -6,233 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 |
|---|---|
| 8,476–11,096 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 355 ft | 450 sx |
| 8.625" | 5,373 ft | 1,200 sx |
| 5.5" | 11,215 ft | 1,600 sx |
Permit History (2)
Applications (2)
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 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
- 1303
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- MARTIN
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2010-08-17
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