Patent · US Active

Swellable packer having a cable conduit

US8459367B2 · kind B2 · utility

17Cited by
10References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 27, 2011
Grant dateJun 11, 2013
Priority date
Expiry dateDec 27, 2031

Classification

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

Abstract

An apparatus and assembly create a seal in a wellbore around a cable or line. The assembly includes a longitudinal body and a swellable portion which comprises a material selected to increase in volume on exposure to at least one triggering fluid. The swellable portion has a formation open to the longitudinal surface of the body which provides a pathway for a cable or line to extend through the swellable portion, and an insert of swellable material. The insert may partly or fully enclose or encapsulate the cable or line. a formation which is open to an outer longitudinal surface of the body.

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