SAIPEM – LIWAN/VOLANTIS project

Location: Asia – China
Type of personnel: Rigging
Support: FDS 2 vessel
Date: 2013

SCOPE OF WORK
Main umbilical pull in ops (winch ops and prep works, rigging works at heights, scaffolding);
SSIV umbilical pull in ops (elaborate routing of wire rope during winch ops, additional support structure used as pivot for pull-in);
MEG flooding cap retrieval
Mechanical completion of main umbilical
Hook up and termination of umbilical at terminal points
Winch installation.
Rerouting of wire rope for different pulls (involves hot work, dismantling and re-rigging, scaffold modifications etc);
Material transfer
Pre-commissioning works – 6”MEG line pigging & hydrotest,
Lines pigging 8t hydrotesting;
Prep work for precomm involves some hot work, dismantling of valves
Routing of pipes/hoses across decks

DESCRIPTION OF THE PROJECT
Located about 300 kilometres southeast of Hong Kong, the Liwan 3-1 natural gas project is an important component of Husky’s mid-term production growth strategy and a key step in accessing the burgeoning energy markets in Hong Kong and Mainland China. Husky Oil China Ltd awarded Saipem the contract for the Liwan 3-1 Field – Deepwater EPCI. The scope of work includes the engineering, procurement, construction and installation of two 22 inch diameter 79-kilometres-long pipelines, umbilicals, along with the transport and installation of a subsea production system linking the wellheads to a processing platform.

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