鄂尔多斯盆地西缘惠探井上古生界储层岩石学特征研究()-沉积学专业论文.docx

成都理工大学硕士学位论文TheResearchofReservoirPetrologyCharacteI．isticsofHuitan1WbUOnTheUpperPaleozoicOfW电stem加_eainOrdosBasinIntroductionoftheauthor：Ga0Xiaoyong，male，wasbominF．ebnlary，1983whosetutorwaSProfessorHuangSijing．HegraduatedfbmChengduUniVersityof1’echnologyinSedimen舀ar)，majorandwas黟antedtheMasterDegrceinJune，2008．AbstractMosttestdataofcastingthinsections，SEM，paniclesizeanalysis，CⅨ，X-raydif行actionofclaymineralshavebeenused；thethesiseValuatedtheupperPaleozoicreserVoirofHuitan1weUonthewestmargjnoftheOrdosbasin beingguidedbythe newachievementsofsedimentar)rtheoryclasticreseⅣoirresearChandintemationaloil-gasfieldexploration．ThereseⅣoirPetrologytypes0fHuitan1wellincludelithicsandstone、lithicquanzsandstoneandquanzsandstOne，much lithicandlowfeldsparisthenotablefeaturesofthereservoir，component maturitypoor；Theseparationofsandstoneisbetter，prismaticrOundnesswhichishypO-angularitytohypo-roundnessismiddling；matrixf0咖edmainlybyillite．Thecementf锄edmailybycarbonate、silicon、kaolinitemineralset；exceptY撕gllugoufo姗ationfo姗edmailyby如kerite，thecarbonatecementofotherthreefo咖ationsf6姗edmailybyfeH0calcite，thesideriteisbetterinTaiyuanfo册ation．Carbonatemineralfo肌edmailybythedissolutionofaluminosilicate，attachmentcementationfillthepores．Thesiliconcementandkaolinitewhicharetheparenthesisproduction0fthedissolution0faluminOsilicateisbetterfortheporepreseⅣation．ThecharacteritcsOfporosityintheHui1explorationwelliswith10warealporosity，andtheseC0ndaryporeisthemaintypeofporosity，expresslymostofitismineralintercrystallinepore，OthersaredissOlVedmatrixpOresandlithicdissOlutionporosity．afewprimaryporosityc卸befoundunder microscope．Siliceouscementcanmakes觚dstonereseⅣoirstren分henandrcstrainedthecompaction，soitisconductivetothepreser、，ationofInter掣anularhole．Thekaolinitedissolutionf幻mfeldspargrowmuchmineralintercrystalporosity．Carbonatecementoccupieslotsofpores，itdOesnotfaVorthepreseⅣationofthepore．Keywords：Authigenicmineral Pore Upperpaleozoic Huitan1woll OrdosⅡ独创性声明本人声明所里交的学位论文是本人在导师指导下进行的研究工作及取得的研究成果。据我所知，除