Said rigid insulating material according to the invention can be used for the insulation and/or buoyancy of an underwater pipe or underwater-pipe element.

The line end is configured for connection to the second sub-sea line.

The invention relates to the laying of a submarine pipeline at sea.

A subsea pipeline system has a subsea pipe and a pipeline vibration damper (PVD) attached to the pipe.

The invention also relates to a flexible unbonded offshore pipe comprising such polymer layer.

The invention relates to a process for the production of a polymer layer of a flexible unbonded offshore pipe.

The first portion of flowline can be a subsea flowline extending along a sea floor, and the second portion of flowline can be a riser.

The invention relates to a method and to a device (14) for measuring the movement of a subsea pipeline (12).

At least one movement resistor can be installed along the length of a subsea conduit.

At least one movement resistor can be installed along the length of a subsea conduit.

The invention relates to a method and to an assembly for installing a subsea pipe (16) on a sea bed (15).

Apparatuses, systems and methods are utilized to relocate subsurface conduit.

Said undersea pipeline has a rising part (16), a connecting part (18) and an intermediate portion (20).

A high pressure subsea pipe (11), particularly for underwater use, has the ability to flex while being transported and installed.

The present invention is directed to a system and a method for inspecting a subsea pipeline.