Baker Marine Pacific Class 375 - COSL Drilling Europe AS

GENERAL DESCRIPTIONUnit Name COSLConfidenceUnit Design Baker Marine Pacific Class 375BuiltPPL Shipyard Pte Ltd, SingaporeDelivery 2nd quarter 2009Class Society American Bureau of ShippingClass NotationAmerican Bureau of Shipping, A1 Self-Elevating Drilling Unit, CDS (2001 Rules)FlagBahamasMAIN PARTICULARSDrilling Depth MaximumWater depth, maximum375 ft.Wind speed70 knotsWave height, maximum35 ft.Current speed, surface1.5 knotsAir gap50 ft.DimensionsHull Length, Overall236.56 ft.Hull Breadth, Overall224.41 ft.Hull Depth27.89 ft.Leg length506.39 ftLeg Spacing, transverse155.18 ft.Leg Spacing, longitudinal145.34 ft.Cantilever envelope, well center fromtransom15 - 70 ft.Cantilever envelope, well centre fromcenterline+/- 15 ft.Spud can diameter55.45 ft.CAPACITIESRated drilling depth30,000 ft.Static hook load750 tonsRotary capacity750 tonsSetback capacity450 tonsConductor tension capacity227 tonsVariable Load, maximum drilling3,282 tons (based on above environment)Maximum combined cantilever load 1,200 tonsDrill water capacity4,850 bblsFuel oil capacity3,900 bblsBase oil1,200 bblsBrine1,200 bblsPotable water3,556 bblsLiquid mud4,120 bbls (including slug tank)Bulk mud5,700 ft3Bulk cement5,700 ft3Sack storage5,000 sacksDRILLING EQUIPMENTNational Oilwell Varco /Dreco D3000UE ACDrawworkswith 3 X 1150 HP AC electrical motors andregenerative brakingTop DriveNational Oilwell Varco / HydraliftPowerSwivel HPS-750 -E -ACMud pumpsThree National Oilwell Varco Model 14-P-

220, triplex pumpsCranes Main Block WhiplineBMC 900 21.3 tons @ 25ft 5 tons @ 100 ftBMC 1600 40.8 tons @ 25ft 5 tons @ 100 ftBMC 2250 50 tons @ 25 ft 5 tons @ 100 ftPower Generation5 x Caterpillar Model 3516B HD engines(2,150 hp each, 10.750 hp total)Pipe RackingNational Oilwell Varco /X-Y HydrarackerACCOMMODATIONTotal Capacity 115Number of single cabins 5Number of double cabins 55Number of operator offices 1Number of contractor offices 2Number of meeting rooms 1WELL CONTROL EQUIPMENTDiverterKDFJ-500 DiverterAnnular BOPHYDRIL GX 18 3/4" x 10,000 psi WP AnnularBOP2 x Hydril Dual compact 18 3/4" x 15,000 psiRam BOPWP DualRam BOP'sChoke manifold15,000 psi WPFLUID PROCESSINGShale shakers4X National Oilwell Varco DLMS-380 LinearMotion Super GMud degasserNational Oilwell Derick VACU FLONational Oilwell Varco DSM-3V-10CTX, 3 xDesander10"cones, 1,000 gpmDesilter mud cleanserNational Oilwell Varco DSL-16GG-CTX, 16 x4" cones, 1,000 gpmMud mixing pumpsMission Magnum or equivalent centrifugalpumpsDRILL STRINGDrill pipe20,000 ft, 5 7/8" OD, S-135, Range 2, XT57tool joints, 7" OD x 4.25" ID, 26.3 ppf nominalSix, 9 ½" OD x 3" ID, spiral drill collarsEighteen, 8 ½" OD x 2 13/16" ID, spiral drillDrill collarscollarsEighteen, 7" OD x 2 13/16" ID, spiral drillcollarsHevi-Wate drill pipeThirty, 5 7/8" Heavy Weight drill pipe, XT57tool joints