COSLProspector, the fourth deep-water semi-submersible drilling rig built by CIMC Raffles for China Oilfield Services Limited (COSL), has been delivered in Yantai, Shandong Province.
The COSLProspector is a DP3 vessel with a length of 104.5 m, a width of 70.5 m, a height of 37.55 m, and an operating water depth of 1500 m. It is able to drill 7600 m deep and has a designed operating temperature of minus 20 degrees Celsius. The rig is a multi-function platform, which has a maximum variable deck load of 5000 t and is able to accommodate 130 personnel.
It is classed by DNV GLand China

