42-173-31823
Final CompletionCALVERLEY 27
GLASSCOCK County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
9,000 ft
First Permit
1985-03-18
Latest Activity
1985-03-18
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-06-15
Shut-In
—
Plugged
2020-01-24
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
2024-05
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 2,706 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| REDBEDS | 300 ft | +2,406 ft |
| UPPER SPRABERRY (Spraberry) | 6,750 ft | -4,044 ft |
| LOWER SPRABERRY (Spraberry) | 7,370 ft | -4,664 ft |
| DEAN | 8,000 ft | -5,294 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 (3)
| Interval | Type |
|---|---|
| 6,788–7,108 ft | Perforated |
| 7,374–7,714 ft | Perforated |
| 8,006–8,482 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 316 ft | 375 sx |
| 8.625" | 4,200 ft | 1,000 sx |
| 4.5" | 8,550 ft | 1,400 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record.
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
- 5
- Max Depth
- 9,000 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 1985-06-15
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