Method for installing and connecting a sub-sea riser

Details Method for installing and connecting a sub-sea riser Method for installing and connecting a sub-sea riser

2004-08-27

2009-10-13

Beach, Thomas A (Department: 3671)

Wells

Submerged well

Connection or disconnection of submerged members remotely...

C166S345000, C166S367000, C166S351000, C405S158000

Reexamination Certificate

active

07600569

ABSTRACT:
A method and a device for installing a sub-sea riser for an offshore operation, between a base installation disposed on the sea bed and a sea installation protruding above the base installation. The sub-sea riser is provided with a first end and a second end. The method comprises the following stages in the following order: a) the first end of the riser is joined to the sea installation; b) the sub-sea riser is deployed; c) the second end of the riser is guided towards the base installation; d) the second end is coupled to the base installation by releasing the second end and the efforts of the recoil force exerted on the base installation are transferred; e) the second end and the base installation are connected to each other.

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