Downhole well tools and methods of using such
US10961806B2 · kind B2 · utility
1Cited by
23References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 14, 2015 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Aug 14, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A downhole tool for use in a gas or oil well is provided. The tool comprising a length of tubing having at least one annular sealing means mounted on the outer surface thereof. The annular sealing means, which are formed from a eutectic/bismuth based alloy, serve to secure the downhole tool in position within an oil or gas well during so that the tool can carry out its function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.