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:
Dec. 05, 2017

Filed:

Jan. 07, 2016
Applicant:

Itrec B.v., Schiedam, NL;

Inventors:
Assignee:

ITREC B.V., Schiedam, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 1/19 (2006.01); F16L 1/20 (2006.01); F16L 1/23 (2006.01); F16L 1/235 (2006.01); B63B 35/03 (2006.01);
U.S. Cl.
CPC ...
F16L 1/207 (2013.01); B63B 35/03 (2013.01); F16L 1/19 (2013.01); F16L 1/203 (2013.01); F16L 1/205 (2013.01); F16L 1/23 (2013.01); F16L 1/235 (2013.01);
Abstract

A marine pipeline installation system for laying an offshore pipeline and/or installing a subsea riser includes a pipeline launch tower, a pipeline guide provided at an elevated position for guiding said pipeline to the pipeline launch trajectory along said tower, one or more tensioners, an abandonment and recovery (A&R) system including at least one A&R cable and associated A&R winch and a sheave arrangement with one or more sheaves supported by the pipeline launch tower at an upper position thereof. An auxiliary trolley is provided which is adapted to support the weight of the launched pipeline and which is movable along a rail in the pipeline launch trajectory when the one or more tensioner frames are in the retracted non-operable position, from a position above the uppermost tensioner to a position below the lowermost tensioner, the rail being supported by the pipeline launch tower.


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