EXPLORATIONFORUM71EXPLORATIONFORUM7273EXPLORATIONFORUM7475EXPLORATIONFORUM76CHINAPETROLEUMEXPLORATIONfracturingscaleandmodelingsoftwareapplicationarechosenparticularly,thereservoirdifficultiesofhigh-pressureandlowpermeabilityhasbeenresolvedandusedittoguidesiteproductionandobtainedaimportantbreakthrough,whichwillprovidenewexplorationthoughtstodeepenexplorationinnorthwesternslopeofJunggarBasin.Keyword:JunggarBasin,Xiazijieregion,Permian,low-permeability,reservoirreconstructionOptimizedDesignApplicationofWholeFracturingandPracticeofE&PfortheThinOilLayersinLow-permeabilityOilfieldsinDaqing//WangQunyi1andFengLi2/1ChinaUniversityofGeosciences,Beijing100083;2DaqingCollegeofPetroleum,DaqingCity,HeilongjiangProvince163000Abstract:TheproductioncapacityofthinoillayersinDaqinglow-permeabilityoilfieldscanbeincreasedthroughfracturingreconstruction,however,duetodifferentfracturingdesigngenerallyproducesdifferenteffects,somedifferencealsoseeninsingle-wellproductioncapacity,water-containingratioandexploitationdegree,allthosewillaffectthedevelopmenteffect.Theoptimizeddesignofwholefracturingprojectisbasedontheory,andconsideredsystematicallyabouttheeffectoffractureparameters,injection-exploitationparametersandwholedistributionofwellnetworkonwholeoptimizationcombination.Themainanalysesincludetwoaspects:(1)theeffectoffracturedparametersonblockproduction;(2)theeffectofdifferentfracturingparametersontimeofwateroccurrence.ThismethodhasbeenappliedinChao521andZhao60-54blocks,madeasatisfiedresultandrealizedthepredictedpurposeofoilfielddevelopment.Keywords:wellnetworkdistribution,optimizeddesign,wholefracturing,practicaleffectMarketizationOperationandManagementModelofOilReservoirExplorationandDevelopmentforOilfieldCompany//GuoYuanling/ChinaUniversityofPetroleum(EastChina),DongyingCity,ShandongProvince257061Abstract:Inordertomaximizethecompositebenefitsofexplorationanddevelopmentfortheoilfieldcompanies,itcanassumethatanoilfieldcompanywouldbedividedintoseveralspecializationservicecompaniessuchasexplorationcompany,developmentcompanyandinjection-productioncompany,inwhichexplorationcompanyisresponsiblefordiscoveringthereserves;anddevelopmentcompanytakeschargeofmanagementoilreservoirdevelopment;injection-productioncompanycanbecapabletoofferthetechnicalservices.Theabovethreecompanieslinktogethereachotherthroughmarketmechanism,therightofdevelopmentmanagementofoilreservoiremergesasaformofÒcommodityÓthatisshiftedamongdifferentlinksofexplorationanddevelopment,reflectingthefeaturesofcapitalincrement.Keywords:oilfieldcompany,explorationanddevelopment,marketmechanism,oilreservoiroperationReefTrapandPetroliferousFeaturesofKaisFormationinIslandArea,SalawatiBasin,Indonesia//YuHuilong,XueLiangqing,YangFuzhong,HongGuoliangandKongWei/PetroChinaResearchInstituteofPetroleumExplorationandDevelopment,Beijing100083Abstract:SalawatiBasinislocatedinthebird'sheadofthePapuaIsland,EasternIndonesia.TheMioceneKaisFormation'scarbonatedepositedinSalawatiBasinisoneofthemaintargetsoftheTertiaryinSoutheastAsia.ThereefsofKaisFormationarethemainproducingreservoirs.Onthebasisofpreviousstudyonthebasicpetroleumgeology,especiallythesedimentarycharacteristics,oftheKaiscarbonatescombinedwiththelatestdataobtainedfromthePetroChinaInternationalinIndonesiaintherecentyears,thetypesandcause-formingofthereefstrapsinKaisFormationhavebeendivided,thepetroliferouscharacteristicsofthereefstrapsinKaisFormationandthecontrolfactorshavebeenanalyzed.Itisputforwardanddiscussedthatthereefsareconnected,andthoughtthatinadditionthatthestructuralnosesandfaultsarethemainpassagesofoilandgasaccumulation,thereefoilreservoirsinthelowerKaisFormationhavetheuniqueconditionofoilandgasdifferentialaccumulation.ThedifferentialaccumulationisprobablythecharacteristicsofoilandgasaccumulationinthereefoilreservoirsofKaisFormationandprobablythefundamentalcauseofcontrollingthephasestateofoilreservoirs.Keywords:Indonesia,SalawatiBasin,Tertiary,lagoon,reefoilreservoir,controlfactors,differentialaccumulationDevelopmentTrendsandTheirInspirationofOverseaDeepOffshoreOilandGasExploration//ZhaoZhengzhang1,ZhaoXianzheng2,LiJingming3andLiuRenhe3/1PetroChinaExploration&ProductionCompany,Beijing100011;2PetroChinaHuabeiOilfieldCompnay,RenqiuCity,HebeiProvince062552;3LangfangBranch,PetroChinaResearchInstituteofPetroleumExplorationandDevelopment,LangfangCity,HebeiProvince065007Abstract:Thepotentialofpetroleumresourceisenormousinocean.Inrecentyears,majornewdiscoveriesoflargeoilandgasfieldsarediscoveredinoffshoreregion.Petroleumreservesandproductionoffshorefieldsareincreasingquickly.Theoffshoreregionbecomesthehotspotthatworldwidepetroleumcompaniesarecompetingin.Thescopeofoffshoreexplorationanddevelopmenthasbeenextendedthedeepwaterareafromshallowseaandbathyalsea.Technologiesofoffshorepetroleumexplorationaredifferentfromthatofonshorebecauseoftheircovering,forinstance,3Dandmulticomponentseismicsurveyareusedmainlyoffshore.Newerwellboretechnologies,aswellasseismic,areadoptedpreferentiallyoffshoresuchaslong-distancehorizontaldrillingandmultila