Patent · US Active

Elongated sealing member for downhole tool

US8636074B2 · kind B2 · utility

11Cited by
9References
52Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 2009
Grant dateJan 28, 2014
Priority date
Expiry dateMar 24, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49826
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A downhole apparatus is described comprising a body and a sealing arrangement located on the body. The body has a longitudinal axis and the sealing arrangement comprises at least one elongated sealing member with an axis of elongation extending around the longitudinal axis. The sealing member comprises a material selected to expand on exposure to at least one predetermined fluid, such as a hydrocarbon or aqueous fluid encountered in a wellbore. A method of forming the apparatus and methods of use are described. Embodiments of the invention relate to wellbore packers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.