Importance

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Abstract

The invention relates to a system for intercoupling of two pipeline which are located in a subsea position. A second pipeline (12) is preinstalled on a bottom based template or frame (10), and a first pipeline (2) is initially freely positioned, located in a smaller or larger distance from said second pipeline. Equipment is available for transport of said first pipeline to the bottom frame with said second pipeline, and equipment for positioning, holding and coupling of the pipelines, such that a pressure resistant, strong coupling is provided between the same. One aspect of the invention relates to a ring-shaped, open seat (18) mounted on the bottom frame (10) at a certain space in front of a terminator (14) on the end of the second pipeline (12) mounted on the bottom frame (10). For transport of the first pipeline (2), normally localized at a distance from said second pipeline, a combined gripping and transport tool (8) is utilized which in operational position is suspended at the bottom of a ROV (6), which gripping tool comprises at least one pair of opposed clawlike elements (40, 42) which can be pivoted from an outer position to an inner position, wherein the claw elements form a substantially circular space for circumscribing and holding said second pipeline.

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First Claim