Japan's Inpex Coropation reported Wednesday that the Inpex-operated Ichthys LNG Project today successfully installed its Riser Support Structure (RSS) tower at the Ichthys Field. The safe installation of the 6,500 ton structure by the deepwater construction vessel Aegir marks the beginning of the Project’s major installation campaign in the Browse Basin, offshore Western Australia.
Ichthys LNG Project Managing Director Louis Bon said the RSS is the largest subsea structure ever laid on the seabed.
“The Riser Support Structure is the masterpiece of the Project’s subsea facilities,” Bon said.
“It is also a serious physical foundation, because when its arch is placed, the structure will stand 360 feet (110 meters) off the seabed.
“Today’s milestone is significant for the Project, because it marks our return to the Ichthys Field for the installation of our offshore facilities after years of intense engineering and fabrication work.”
The completed RSS will be a physical, fixed support for flexible risers and dynamic umbilicals that connect subsea gathering systems to the Project’s semi-submersible central processing facility (CPF), currently under construction in Korea.
Ichthys LNG Project Offshore Director Claude Cahuzac said it was an exciting time for the Project as facilities and structures started to move from construction yards around the world to the Ichthys Field.
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