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1、中国沉积盆地中流体-岩石相互作用第22卷第2期2005年3月中国科学院研究生院JournaloftheGraduateSchooloftheChineseAcademyofSciencesVo1.22No.2March2Oo5Articlem:1002.I175(2oo5)o2.0239-09EXCERIyI'OFDISSERTATIONFluid.RockInteractioninChineseSedimentaryBasinsCAIChun—FangWANGJi—YangGUJia—Yu(1Ins~uteofGe
2、ologyandGeophysics,ChineseAcademyofSdences,成100029,Ch/na;2InstituteofPetroleumExplorationandDevdopment,PetroChioa,Be/ring100083,Ch/na)(Received16June2oo4)CsiCF.Wang.Gu.Fluid-RockInteractioninChineseSedimentaryBasinsChineseAcademySciences,2005,22(2):239—247Abstr
3、actThepapersummarizesourrecentworkinfluid-rockinteractioninsedimentarybasinsinChina.Weshowsomeresultsofexperimentstodissolvemicrocline,addressoriginandevolutionofoilfieldwaterintermsofstableisotopiccompositionandchemicaldata,andpresentcasestoshowthermochemicals
4、ulfatereduction(TSR)andbacterialsulfatereduction(BSR)intheSichuanbasin,OrdosbasinandTarimbasin.Thestudyimpliesthatwater-rockinteractionandorganic-inorganicreactionsinoilandnaturalgasreservoirsareverycommonprocesseswhicharenotfullyrealizedpresently.Keywordsorgan
5、ic-inorganicreaction,formationwater,sulfurisotope,boronisotopeCLCP61.P591IntroductionHuid-rockinteractioninsedimentarybasinsisrelatedtopetroleumgeneration,migration,accumulationandpreservation,andisatopicofgeologicalfrontier.Wandothercoworkersbeganstudyingmicro
6、be-andorganicmatter-mediatedfluid.rockinteractionin1991,whichWasunprecedentedinChina.Sincethen,alotofsignificantprogresseshavebeenmade.Themethodswehavebeenusingaletointegrateanalysesonchemistryandisotopiccomposition(6C,8D,6伸O,S,6N,6¨Band盯Sr/86Sr)ofoil,gas,water
7、andmineralsin联呛mirrock,andexperimentalsimulationandchemicalthermodynamicsmodelingusingsoftwarecodessuchasSOLMINEQ.88….Usingthemethods,weCalltracemineraldissolutionandprecipitation,discussorigin,evolution,secondaryalterationandflowpathwaysofthefluids,deducechemi
8、calreactions,partofwhichmayhaveoccurredinnaturebutpresentlynotrecurredsuccessivelyunderlaboratoryconditions,andelucidatetheirisotopefractionation.Inthepaper,weshaUintroduceo
