准噶尔盆地中部3区块侏罗系白垩系油气成藏规律研究矿产普查与勘探专业论文.docxVIP

成都理工人学硕士学位论文study 成都理工人学硕士学位论文 study on hydrocarbon accumuIation rule f．0r Jurassic and Cretaceous in center 3rd area of Junggar Basin Introduction of the author：Liaofeng，male，was bom in October，1 982 whose tutor was Professor Xu Guo—sheng．He graduated f而m Chengdu UniVersity of Tecllllology in Mineral Resource ProSpecting aIld Exploration m旬or aJld was gr鲫ted t11e Master Degree in Julle，2008． Abstract With the information行om the other people，there exist a lot of considerable hydrocarbon resources in the Jurassic a11d Cretaceous of center 3rd area of Junggar Basin which in the Junggar Basin’s hinterland． So，it’s impoIrtant to research the Jurassic and Cretaceous’hydrocarbon generation rules in tllis甜ea．In order to establish the hydrocarbon accumulation model of Jurassic and Cretaceous，and sum up the hydrocarbon generation mles and then forecast and estimate the advantage area about hydrocarbon enrichment，this anicle will in depth study the petrological characteristics， diVision of sequence strati铲aphy，characteristics of depositional facies，characteristics of me reserVoir and the hvdrocarbon accumulation’s main control factors． The middle and fine sandstone is the primary type of the Jurassic and(：retaceous of center 3th area，and it also has some lithic arl(ose and a little litmc sandstone．Braided charulel， under water branch cha衄el and alluvial f．an is the main sedimentary microfacies，and the sand body has developed in the Jurassic Xishanyao Fo肌ation and the lower segment of the Cretaceous Qingshuihe Fomation．The reservoir is 10w-porosity and extremely low-porosity extremely low-penneabili够and ultra low-pemeability，aJld also haVe low-pemleabil埘reserVoir．The reservoir space mostly is the primary inte唱ranular pore，and the low resistivit)，reservoirs also exist in the area．The reservoir capabilities of me braided channel aJld me Wlder water branch channel is better than the alluvial f．锄． Based on the researCh，the material foundation ofthe hydrocarbon aCcumulation is the