Patent · US Expired

Underwater pipeline connection joined to a riser

US6854930B2 · kind B2 · utility

26Cited by
5References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 12, 2002
Grant dateFeb 15, 2005
Priority date
Expiry dateJun 12, 2022

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B17/017
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

The present invention relates to an installation providing a bottom-to-surface connection for an undersea pipe resting on the sea bottom, in particular at great depth, the installation being of the hybrid tower type having a static base placed on the sea bottom. In the installation of the present invention, said pipe resting on the sea bottom is connected by a flexible pipe element constituting a bend to a vertical riser whose bottom end is held in fixed position relative to said base.

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