Patent · US Active

BOP lock down

US9080408B2 · kind B2 · utility

6Cited by

18References

10Claims

0Family size

Assignee

Aker Subsea AS · NO

Inventor

Knut Møgedal · Asker, NO

Key dates

Filing date	Nov 10, 2011
Grant date	Jul 14, 2015
Priority date	—
Expiry date	Nov 10, 2031

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B41/08
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A well head system for application in sub sea well exploration comprising a well head (23) having a well head housing secured to a well casing, at least one valve stack, e.g. a BOP (1) located atop said well head (23). The valve stack is removably locked on a well template (15) supporting said well head by a plurality of locking devices (7). Also described is a locking device comprising two opposite clamping arms (19) hingedly attached to a main frame (21). The Main frame is slidable relative to a spindle (17) and can be selectively secured to the spindle (17).

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