摘要:碳酸盐岩潜山是渤海重要的油气藏类型之一.以渤海区域重点开发目标Z油田为例,应用钻测井、岩心、微观薄片及地震等基础资料,对碳酸盐岩储层特征、形成机制及地质发育模式进行综合分析.明确了碳酸盐岩潜山储层岩性以白云岩为主,储集空间为晶间孔、裂缝和溶蚀孔隙.碳酸盐岩潜山储层主要受沉积、成岩及构造因素控制.结合单井特征及垂向岩溶分带性,将潜山纵向分为表层风化带、垂直渗流带和顺层溶蚀带.受成岩、构造等多因素影响,上油组较下油组储层发育,上油组储层全区发育,下油组储层局限发育.明确了岩溶分带及储层展布地质模式,为油田的下步调整和挖潜方向提供依据.关键词:碳酸盐岩;潜山;油气田;岩溶分带;储层模式;渤海湾盆地古潜山Z油田下古生界碳酸盐岩主控因素及储层发育模式张岚,王少鹏,吴穹螈,唐何兵,李卓中海石油(中国)有限公司天津分公司渤海石油研究院,天津300459收稿日期:2021-03-09;修回日期:2021-11-23.编辑:张哲.基金项目:国家科技重大专项“渤海海域大中型油气田地质特征”(编号2011ZX05023-006-002).作者简介:张岚(1977—),男,高级工程师,主要从事油气田开发工作,通信地址天津市滨海新区海川路2121号渤海石油管理局大厦B座,E-mail//zhanglan2@cnooc.com.cnMAINCONTROLLINGFACTORSANDRESERVOIRDEVELOPMENTMODELOFLOWERPALEOZOICCARBONATEROCKSINBURIEDHILLZOILFIELDZHANGLan,WANGShao-peng,WUQiong-yuan,TANGHe-bing,LIZhuoBohaiPetroleumResearchInstitute,TianjinBranchofCNOOC,Tianjin300459,ChinaAbstract:Carbonaterockburiedhillisoneoftheimportantoil-gasreservoirsinBohaiSea.TakingZOilfield,thekeydevelopmenttargetinBohaiSeaareaasanexample,thecharacteristics,formationmechanismandgeologicaldevelopmentmodelofcarbonaterockreservoirarecomprehensivelyanalyzedbyusingbasicdatasuchasdrillingandlogging,cores,microscopicthinsectionsandseismicdata.Theresultsshowthatthelithologyofcarbonaterockburiedhillreservoirismainlydolomite,withthereservoirspacesofintergranularpore,fractureanddissolutionpore.Carbonaterockburiedhillreservoirismainlycontrolledbysedimentary,diageneticandstructuralfactors.Combinedwiththecharacteristicsofsinglewellandverticalkarstzonation,theburiedhillcanbedividedintosurfaceweatheringzone,ve...