Apparatus, system and method for tethering a subsea well assembly

A tethering system 32 is configured to tether a subsea well control equipment to a subsea mount arranged on a seabed comprises a load chain L, a first chain block C1 having a first gear ratio, and a second chain block C2 having a second gear ratio. The first chain block C1 is configured to convey th...

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Hauptverfasser: Charles Alexander Gilmour Gourley, James MacDonald Stewart
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creator Charles Alexander Gilmour Gourley
James MacDonald Stewart
description A tethering system 32 is configured to tether a subsea well control equipment to a subsea mount arranged on a seabed comprises a load chain L, a first chain block C1 having a first gear ratio, and a second chain block C2 having a second gear ratio. The first chain block C1 is configured to convey the load chain to apply a first tension to the tethering member. The second chain block is configured to subsequently convey the load chain to apply a second tension to the tethering member; wherein the second gear ratio is higher than the first gear ratio.
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
title Apparatus, system and method for tethering a subsea well assembly
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