准噶尔盆地车排子地区古近系沉积相研究

为了系统研究准噶尔盆地车排子地区古近系地层展布及沉积特征,综合地震、测井、录井等资料,进行井-震结合对比,将古近系安集海河组分为两个四级层序,在两个四级层序内又划分出6个砂层组,在此基础上,建立沉积格架,并根据测井录井资料对6个砂层组进行沉积体系分析。通过单井和连井沉积相分析,安集海河组主要发育扇三角洲,砂质滩坝及滨浅湖相三种沉积类型。

Study on Palaeogene Sedimentary Facies in Chepaizi Area of Junggar Basin

In order to systematic study the strata distribution and sedimentary characteristics of palaeogene stratum in Chepaizi area of Junggar Basin,combine seismic and logging data to conduct well-seismic combi-nation comparison and divide the Anjihaihe group of palaeogene into two four-level sequences and then di-vide six sand layers within the two four-level sequences;based on this to establish sedimentary framework and conduct sedimentary system analyze on six sand layers according to logging data.According to the sed-imentary facies analysis of single well and connected wells,the Anjihaihe group mainly develops three sedi-mentation types including fan-delta,sandy beach and bar and shore-shallow lake facies.