Cable retrieving tool
US4225173A · kind A · utility
2Cited by
3References
9Claims
0Family size
Inventor
Key dates
| Filing date | Feb 5, 1979 |
| Grant date | Sep 30, 1980 |
| Priority date | — |
| Expiry date | Feb 5, 1999 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B31/125
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cable retrieving tool has helically arranged blades periodically terminating in teeth. Once the cable to be retrieved is engaged the tool is rotated as it is lowered to more securely grapple the cable by the teeth before it is withdrawn from the well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.