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:
Jan. 09, 2018
Filed:
Sep. 28, 2016
Applicant:
Aker Subsea As, Lysaker, NO;
Inventor:
Robert Stubbeman, Oslo, NO;
Assignee:
Aker Solutions AS, Lysaker, NO;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/076 (2006.01); E21B 33/035 (2006.01); E21B 34/04 (2006.01); E21B 43/01 (2006.01); E21B 43/12 (2006.01); E21B 33/038 (2006.01); E21B 33/043 (2006.01); E21B 33/064 (2006.01); E21B 43/013 (2006.01);
U.S. Cl.
CPC ...
E21B 33/076 (2013.01); E21B 33/035 (2013.01); E21B 33/0385 (2013.01); E21B 33/043 (2013.01); E21B 33/064 (2013.01); E21B 34/04 (2013.01); E21B 43/01 (2013.01); E21B 43/013 (2013.01); E21B 43/128 (2013.01);
Abstract
Subsea well assembly having a Xmas tree () and wellhead (). From a tubing hanger () a tubing extends into the well. A part of a production flow passage extends vertically from the tubing hanger () in a vertical bore () of the Xmas tree. A fail close production master valve (PMV) () is arranged in the production flow passage. The tubing hanger () is arranged below the Xmas tree (), such as in the wellhead (). The Xmas tree () exhibits a branch () that deviates from the vertical bore (), which branch constitutes part of the production flow passage. The fail close type production master valve (PMV) () is arranged in the branch ().