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1. (WO2017060291) RISER METHODS AND APPARATUSES

Pub. No.:    WO/2017/060291    International Application No.:    PCT/EP2016/073778
Publication Date: Fri Apr 14 01:59:59 CEST 2017 International Filing Date: Thu Oct 06 01:59:59 CEST 2016
IPC: E21B 17/01
E21B 17/10
E21B 19/087
E21B 19/10
E21B 19/24
E21B 19/12
E21B 41/00
E21B 41/04
F16L 3/00
E21B 43/01
Applicants: CONNECTOR AS
Inventors: HISDAL, Pål Magne
HESTENES, John
MIDTUN, André, Kristiansen
MYKING, John, Olav
Title: RISER METHODS AND APPARATUSES
Abstract:
A method of landing an apparatus onto a shaft, the method comprising: providing an attachment means attached to and protruding from the shaft at a pre-determined location on the shaft; suspending the apparatus from a topside vessel, such that a portion of the apparatus designed to mate with the attachment means is positioned substantially above the attachment means; manoeuvring the apparatus substantially along the axial direction of the shaft until said portion of the apparatus comes into contact with the attachment means; releasing the apparatus from the topside vessel such that the apparatus becomes supported on the shaft by the attachment means.