©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.http://www.cnki.net第16卷第1期2009年1月地学前缘(中国地质大学(北京);北京大学)EarthScienceFrontiers(ChinaUniversityofGeosciences,Beijing;PekingUniversity)Vol.16No.1Jan.2009收稿日期:2008209225;修回日期:2008211217基金项目:国家重点基础研究发展计划“973”项目(2007CB209502)作者简介:张宝民(1956—),男,高级工程师,主要从事海相烃源岩有机相和沉积储层及油气地质综合研究。E2mail:zbm@petrochi2na1com1cn礁滩体与建设性成岩作用张宝民1,刘静江2,边立曾3,申银民2,贾进华1,张立平1,曹宏1,杨晓萍111中国石油勘探开发研究院石油地质实验研究中心,北京10008321中国石油塔里木油田公司勘探开发研究院,新疆库尔勒84100031南京大学地球科学系,江苏南京210093ZhangBaomin1,LiuJingjiang2,BianLizeng3,ShenYinmin2,JiaJinhua1,ZhangLiping1,CaoHong1,YangXiaoping111ResearchInstituteofPetroleumExploration&Development,PetroChina,Beijing100083,China21ResearchInstituteofPetroleumExplorationandDevelopment,TarimOilfieldCompany,PetroChina,Korla841000,China31DepartmentofEarthScience,NanjingUniversity,Nanjing210093,ChinaZhangBaomin,LiuJingjiang,BianLizeng,etal1Reef2banksandreservoir2constructivediagenesis.EarthScienceFrontiers,2009,16(1):2702289Abstract:Reefs,reef2moundsandlimemudmoundsareallcarbonatebuildups,andthereefsandbanksareim2portanttargetsforpetroleumexploration1Thereefs,banksandmoundsshouldbedividedfromeachothernotonlyintheory,butalsoinexplorationpractice,becauseofsomanydifferencesinsedimentarycompositions,fabrics,environments,distributionintimeandspace,andthecharacteristicsofpetroleumgeology1Iftheorig2inalreeforbankitselfwasfinereservoirrocks,thenitwouldbecomeabetterreservoirafterthereservoir2con2structivediagenesis1Theformationofahighqualitycarbonatereservoiriscontrolledbytwofactors:thesedi2mentarymicrofaciesandthereservoir2constructivediagenesis1Thefirstisthebasisfortheformationofahighqualityreservoir,andwiththehighenergyreef2bankfaciesasthebest;thelatterincludesthecataclasis,thedolomitizationandthekarstification1Thedolomitizationandkarstificationarethebestfortheformationofahighqualityreservoir1Thekarstificationhasthewidestdistribution,profoundesteffect,andplaysavitalroleinthehighqualityreservoirforming1Thekarsttypesarequiterichinthelimestonereeforbankreservoir,in2cludingsynsedimentarykarst,pene2sedimentarykarst,supergenekarstandhydrothermalkarst,andsodoesthedolomitizationreeforbankreservoir1Theformationmechanismofsynsedimentarykarstandpene2sedimen2tarykarstisrelatedtotheshorttimeexposingandleachingofthecyclicalhigh2frequencyshallow2upwardse2quencewhenthereefsorbanksareforming1ThesupergenekarstiscontrolledbytheexposingandleachingoftertiarycyclicsequencetypeIinterfaceafterthereefsorbanksforming1Thus,theredevelopedagreatdealofsecondarycorrosionpores,corrosionfracturesandhugecavesbesidessomeoriginalporesremainedinthereefandbankreservoir1Scarcelythereareanyoriginaleffectiveporesinreef2moundsandlimemudmounds,espe2ciallyinsenkesamongmounds,butsecondaryporescouldbeformedbykarstification,andtherewouldlikelydevelopsourcerockswithhighorganicabundance1Keywords:reefs;reef2mounds;limemudmounds;banks;karstification;cataclasis;dolomitization;synsedi2mentarykarst;pene2sedimentarykarst;supergenekarst©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.http://www.cnki.net张宝民,刘静江,边立曾,等/地学前缘(EarthScienceFrontiers)2009,16(1)271摘要:礁、...
