OSD-IMT, the UK division of Netherlands-based Offshore Ship Designers (OSD), is designing two 120m IMT9120 riserless light well intervention / IMR vessels for Austin Offshore, the shipping arm of Upstream Drilling, Singapore.
The diesel-electric propulsion vessels are intended to carry out riserless light well intervention, light construction, subsea installation, inspection maintenance and repair of subsea installations. They can deploy three ROVs, and have a 250-tonne-capacity AHC crane as well as a travelling gantry well intervention tower system. The 9500 dead weight tonne vessels have accommodation for 140 persons. Dimensions are 120m LOA, and 30m beam with an operational draft of 7.5m.
The vessels will be built by China Merchants Industry Holdings Co., Hong Kong, China, under a contract with Singapore-based Upstream - Austin Offshore signed at the Marintec Conference and Exhibition in Shanghai on Wednesday, 2 December, 2015.
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