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.

Date of Patent:
Jan. 23, 2018

Filed:

Mar. 25, 2015
Applicant:

Aker Solutions As, Lysaker, NO;

Inventors:

Kim W. Christensen, Hyggen, NO;

David Brown, Oslo, NO;

Assignee:

Aker Solutions AS, Lysaker, NO;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/035 (2006.01); E21B 33/076 (2006.01); E21B 41/04 (2006.01);
U.S. Cl.
CPC ...
E21B 41/04 (2013.01); E21B 33/035 (2013.01);
Abstract

The invention provides a multipurpose tool arrangement for riserless invention of a subsea well. The multipurpose tool () which is adapted to be connected at the lower end to a Christmas tree () which has a tubing hanger () and an annulus bore (') being defined through said tubing hanger (). Said tool () comprises a tubular element () and a Christmas tree connector (), said multipurpose tool () is adapted to receive a second tool (), which is operated by a cable (), said second tool () in turn being adapted to install a plug () in said tubing hanger annulus bore (′), through said multipurpose tool (), said arrangement also comprising a pressure control head () through which said cable () extend. The invention also provides a method for removal or installing of a Christmas tree.


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