Shell to implement trim and draft optimisation system on LNG carriers

Shell has agreed a five-year contract with Kongsberg for the installation of its JAWS (Just Add Water System) hydrodynamic optimisation software on board 45 of its chartered LNG carriers.

JAWS calculates optimal trim and draft in real time based on algorithms developed from historic high-frequency vessel data. The software forms part of Kongsberg’s K-IMS Information Management System application package, which Shell’s LNG carriers are already using.

The JAWS contract follows a year-long trial, conducted in conjunction with Gaslog, on board the LNG carrier Methane Julia Louise. The vessel’s shaft energy consumption was recorded for nine months prior to the installation, as well as throughout the year-long trial with the JAWS software installed.

Over the course of the year-long testing phase, onboard and onshore monitoring confirmed that the software generated average energy savings of 5% when its recommendations were followed. This benchmark data was contrasted with performance data gathered from the sister vessel Methane Becki Anne, which followed a similar trading pattern.

“JAWS has arrived at a pivotal time for shipping operations, when digitalisation is being recognised as a key enabler for an industry determined to cut costs, reduce emissions and enhance efficiency,” said Karrie Trauth, Senior Vice President of Shell Shipping and Maritime.

“It was encouraging to see JAWS referenced directly in the International Energy Agency’s World Energy Outlook 2021 flagship report as a key technology for delivering on emission-reducing targets in the shipping sector.”

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Rob O'Dwyer

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