China Oilfield Services Limited (COSL) accepted delivery today of the COSLProspector, their fourth deep-water semi-submersible drilling rig built by CIMC Raffles. COSL says the rig is scheduled to be deployed to the South China Sea within the first half of 2015.
COSLProspector and her sister rigs are classed by DNV GL and China Classification Society (CCS) and DP3-equipped.
Length: 104.5 m,
Width 70.5 m,
Height: 37.55 m
Operating water depth: 1,500 m
Drilling depth: Up to 7,600m
Designed operating temperature: -20 degrees C
Variable deck load: 5000t
Class society DNV-GL notes the COSLProspector meets the strictest standards of Norway’s PSA and NORSOK and also has ICE-T, CLEAN and WINTERIZATION notations which fulfills ice-class, environmentally-friendly and low-temperature requirements. These notations allow the rig to work in harsh environments such as the North Sea and the Barents Sea, according to Sun Guang, Yantai Station Manager at DNV GL.
COSLProspector is the seventh deep-water semisubmersible drilling rig built by CIMC Raffles. The yard has other four semisubmersible drilling units under construction, which will also be classed by DNV GL.