The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 2015
Filed:
Nov. 10, 2011
Applicant:
Knut Møgedal, Asker, NO;
Inventor:
Knut Møgedal, Asker, NO;
Assignee:
Aker Subsea AS, Lysaker, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/038 (2006.01); E21B 41/08 (2006.01); E21B 19/00 (2006.01); E21B 33/043 (2006.01); E21B 41/00 (2006.01);
U.S. Cl.
CPC ...
E21B 33/038 (2013.01); E21B 19/002 (2013.01); E21B 33/043 (2013.01); E21B 41/0007 (2013.01); E21B 41/08 (2013.01);
Abstract
A well head system for application in sub sea well exploration comprising a well head () having a well head housing secured to a well casing, at least one valve stack, e.g. a BOP () located atop said well head (). The valve stack is removably locked on a well template () supporting said well head by a plurality of locking devices (). Also described is a locking device comprising two opposite clamping arms () hingedly attached to a main frame (). The Main frame is slidable relative to a spindle () and can be selectively secured to the spindle ().