No.6雷启鸿等：鄂尔多斯盆地页岩油水平井开发关键科技问题shaleoildevelopmentareputforward，andreasonablesuggestionsareputforwardaccordingtosystematicanal‐ysis.Thedrillingrateofshaleoilhorizontalwellscanbedividedintolongitudinaldrillingrateandtransversedrillingrate.Improvingthelongitudinaldrillingrateandtransversedrillingrateofhigh-qualityreservoirisanim‐portantmeasuretoincreasetheproductionofasinglewell.Whendeployinghorizontalwells，prioritycanbegiv‐entotheextensiondirectionofhigh-qualityreservoirstoimprovethedrillingrateofhigh-qualityreservoirs.Thecontributionratioofelasticenergyoffracturingfluidtorecoveryisrelativelylow，sothereservoirreconstructionshouldnotoveremphasizelargesandvolume，largefluidvolume，andlargedisplacement，butshouldfullycon‐siderwellspacing，longitudinalinterlayerdistribution，andfracturedevelopment，andoptimizefracturingscale，constructiondisplacementandotherparameters.Thechangeofsourcerockqualityandthestrengthofdiagene‐sisarethemainreasonsforthedifferenceofoilcontentinsandbodies，whichaffecttheselectionoffavorablear‐easandthedistributionofhigh-qualityreservoirs.Pre-CO2volumetricfracturinghasobviousenergyincreaseef‐fect，whichisaneffectivemeanstoreduceviscosityandimproveoilrecovery.Itisanimportantmeasuretoen‐suretheefficientdevelopmentofshaleoilinChangqingOilfieldCompanybydeepeningthecomprehensivegeo‐logicalresearch，clarifyingthemaincontrollingfactorsofdifferentialshaleoilaccumulation，elaboratingthethree-dimensionalsweetspotdistribution，andexploringmoreeffectivedevelopmentmethods.Keywords：OrdosBasin；Shaleoildevelopment；Chang7Member；KeyissuesFoundationitems：TheForward-lookingFundamentalResearchMajorScienceandTechnologyProject（GrantNo.2021DJ1806）；theNationalKeyBasicResearchandDevelopmentProgram（GrantNo.2014CB239003）.“氦气形成机制与富集规律及勘查技术研究”课题交流会在成都顺利召开2023年4月20—22日，中国石油集团公司氦气产业链项目01课题“氦气形成机制与富集规律及勘查技术研究”首次线下交流会在成都召开。课题下设7个专题，研究内容...
