油砂知识简介PPT幻灯片

1,OilSands/Bitumen,认识油砂,认识油砂,油砂的前景油砂的开采方式蒸汽辅助重力驱油机理CNOOCNexenEnergyULC,3,GlobalOilReserves,CrudeOil,常规油气资源经过百年勘探开发，大型简单优质资源越来越少，随着世界经济的飞速发展，对能源的需求日益增加，非常规油气（稠油、油砂、页岩油气）资源已逐步成为新的储量增长点。,原油分类,常规与非常规油气储量比例,世界非常规油气分布,世界稠油(包括沥青油)储量约10万亿桶(加拿大、委内瑞拉、美国、俄罗斯、中国、印度尼西亚等)世界稠油年产量高达8000万桶以上。,加拿大稠油和油砂分布,Alberta省西起安宁河,东至FortMcMurray,南到ColdLake的三角形区域内发现了储量丰富的沥青油和油砂。占地140,200平方公里km2。共有沥青油储量1.8万亿桶(OOIP)。,油砂成分,成分无机物(75-80%,其中90%石英砂)水(3-5%)沥青(10-12%)油砂地层构造疏松，孔隙度和渗透率极高,油砂开采方法,地表开采(Mining)地下开采(InSituProduction),地表开采,12,挖掘机,13,铲车,14,卡车,卡车能运载近400吨的油砂,地下开采,蒸汽吞吐(CSSCyclicSteamStimulation)蒸汽辅助重力驱(SAGDSteamAssistedGravityDrainage),蒸汽吞吐,18,Inventedin1980sbyRogerButlerUsingsteamcirculationinclosely-spaced,parallelhorizontalwellstopre-heattheoilandrockinordertocreatethemobilityneededforinjectionatsub-fracturepressures.,Prod.,Inj.,蒸汽辅助重力驱油(SAGDSteamAssistedGravityDrainage),19,Steamerdeliversthesteamtothesteamchamber,Heatedbitumenandcondensedsteamflowdowntobottomofsteamchamber,SAGD,Producerdeliversfluidstothesurface,Continuousprocessofsteamdisplacingbitumen,20,21,22,23,24,LongLakeWellPads,SAGDDesign,26,IdealSAGD,27,SteamChamberGrowth,28,29,30,SAGDProduction-Subcool,Pad3Pair5FailedProductionTubingfromMay2008,31,32,GasLiftWellPair,33,ESPWellPair,34,PrimarySAGDMetric-SOR,SORistheSteamtoOilRatio.HowmuchsteamittakestoproduceanequivalentamountofoilInvestmentanalystspayverycloseattentiontoprojectSORsasitisaverygoodmetrictodetermineprojectprofitabilitySORsinindustryrangefrom2to10LongLakecurrentlyhasafieldSORbetween4and5withalongtermplanofabout3.5,35,OilSandsStrategy:IntegratedExtractionandUpgrading,API=(141.5/SG)-131.5,Bitumenmoredensethanwaterinreservoir,PSChasdensitysimilartodiesel,36,SiteLayoutPhoto,WellPadLayoutPhoto,38,CNOOCNexenEnergyULC,39,NexenHeadquarterinCalgary,40,NexenOilSandsFieldinLongLake,LongLakeperformanceinJune2014,Nexe