COSLProspector - COSL Drilling Europe AS

COSLProspectorThe COSLProspector will be designed for work in cold climate with class notation ICE-T and Winterized Basic withcovers of working areas and lifeboat stations. Additional ventilation, heat tracing and heating will be included to satisfyrules and regulations for cold climate. The complete package is designed according to DNV Drill N and delivered byNational Oil well Varco/NYMO, Norway.General Description (spesifications as per June 2011)The COSLProspector is a semi-submersible drilling rig designed to operate in water depths up to 1500 meters anddrilling depths to 7500 meters. The unit is designed for North Sea/ Norwegian Sea and world – wide use in harshenvironments. Station keeping is maintained by dynamic positioning by 6 fixed pitch, variable speed thrusters (DP3)or by an 8 line mooring system.Hull:Drilling structure and mud module:GG 5000 designDelivered by National Oilwell Varco / Nymo, NorwayClassificationDNV +1A1 Column Stabilized Drilling Unit (N)DRILL (N)DYNPOS-AUTROPOSMOOR-ATACRANE (N)HELDK-SHE0CLEANWINTERIZED BASICICE-TMain dimensions:Overall length:Overall width:Main deck length:Main deck width:Helideck (diameter):Moonpool dimensions:Draft:Operating draftSurvival draft:Transit draft:104,5 m70,5 m83,1 m69,5 m27,75 m21,95 m x 7 m17,5 m15,5 m9,75 mDisplacement:Operating displacement:40710 m.t.Survival displacement:38759 m.t.Transit displacement:30830 m.t.Rated water depth: 100 – 1500 m.Storage capacities:Ballast water: 13000 m³Fuel: 3200 m³Drill water: 1360 m³Potable water: 800 m³Active liquid mud (surface): 750 m³Reserve liquid mud (column/pontoon): 1170 m³Bulk Bentonite/Barite: 400 m³Bulk Cement: 400 m³Base oil: 1050 m³Brine: 1160 m³Slop: 350 m³Variable load:5000 m.t.Transit speed:10 knots