Patent ID: 8267179
Filing Date: 2012-09-18
Classification: E21B,F16L

Abstract:
1. A connection tool for connecting a pipeline to a subsea connection structure which includes a connection porch into which the pipeline is connected, at least one locating post being positioned adjacent to the connection porch, the tool comprising: a tool chassis; a carrier mounted on the chassis and adapted to releasably carry the pipeline to be connected to the connection structure; and at least one locating member positioned at the front of the chassis so as to be engageable with the or each locating post on the connection porch to hold the chassis adjacent to the connection porch, a hinge connecting the locating member to the chassis that allows pivoting movement around a transverse axis such that the azimuthal orientation of the chassis relative to the connection porch can be varied when the or each locating member is engaged with its respective locating post, wherein the or each locating member includes a locking member that engages its respective locating post when the locating member is engaged thereon and prevents disengagement of the locating member unless the chassis is in a predetermined azimuthal orientation relative to the connection porch.