42-173-32026
Final CompletionCALVERLEY J. C.
GLASSCOCK County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
9,000 ft
First Permit
1988-03-11
Latest Activity
1988-03-11
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-05-10
Shut-In
—
Plugged
2020-01-28
EWA / Production operator mismatch
Scheduling: COG OPERATING LLC ≠ Production: RSP PERMIAN, LLC (reported 2018-01)
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: COX, JOHN L.
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
1993-01
Last Production
2020-04
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)
CSV| Formation | Top Depth (MD) |
|---|---|
| REDBEDS | 300 ft |
| UPPER SPRABERRY (Spraberry) | 6,740 ft |
| LOWER SPRABERRY (Spraberry) | 7,455 ft |
| DEAN | 8,140 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗
Perforations (3)
| Interval | Type |
|---|---|
| 6,782–6,802 ft | Perforated |
| 7,478–7,726 ft | Perforated |
| 8,149–8,482 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 365 ft | 350 sx |
| 8.625" | 4,770 ft | 1,000 sx |
| 4.5" | 8,650 ft | 1,400 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
- 2
- Max Depth
- 9,000 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 1988-05-10
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