On 19th November, COSLPROSPECTOR, the fourth deep-water semi-submersible drilling rig built by CIMC Raffles for COSL, has been delivered in Yantai, Shandon, China.
The COSLPROSPECTOR is a DP3 drilling rig with length of 104.5 meters, width of 70.5 meters, height of 37.55 meters. The rig has an operating depth of 1,500 meters, a drilling depth of 7,600 meters and a designed operating temperature of minus 20 degrees Celsius, so it can work in the harsh Norwegian North Sea.