Chinese operator CNOOC Energy Technology & Services (CNOOC EnerTech) has closed a bareboat charter deal for a jack-up accommodation platform from compatriot rig owner and manager SinoOcean Offshore Assets Management.

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The An Yuan will be re-modified before starting operations for EnerTech in the shallow water Bohai Bay offshore northern China.

The accommodation platform was built by CSSC Guangzhou Huangpu Shipbuilding in southern China’s Guangdong province.

SinoOcean will re-modify the unit by expanding the accommodation capacity from 180 people to 280 people.

The unit, built to a GM-j180A design based on requirements set by Denmark’s Dong Energy (now called Orsted) for operations in the UK’s North Sea, is a three-legged jack-up capable of working in water depths of 45 metres with deck space of 500 square metres and varied loading capacity of 2300 tonnes.

It was initially ordered in 2016 by China’s privately owned Baoham International as a liftboat.

Yard sources said that the platform is valued at $74 million, with Baoham having paid 20% as the first installment to activate the contact with the remainder to be financed by CSSC Leasing.

The platform is now owned and managed by government-controlled SinoOcean.