摘要
通过对铸体薄片、扫描电镜、岩心等资料观察分析,认为川西坳陷各地区蓬莱镇组储层砂岩特征及成岩相类型略有不同,蓬莱镇组成岩相展布有所差异,其中马井地区储层岩石类型以细粒岩屑砂岩为主,为钙质、伊利石、石英胶结次生孔发育相;新都地区岩石粒度较细主要为粗粉砂-细粒岩屑砂岩、岩屑石英砂岩,为钙质、石英胶结次生孔发育相,而钙质胶结次生孔发育相,主要在丰谷、中江地区及马井地区发育。
By means of ordinary lamella,casting lamella,electron microscope scanning and core characteristics analysis, Reservoir sandstone characteristic and diagenetic facies of Penglaizhen formation is slightly different,in western Sichuan regional area. and lithofacies distribution is also differences. Reservoir sandstone are mainly fine litharenite,calcium-- illite--quartz cemen- tation secondary pore diagenetic facies is developmental in Majing area ~ Granularity of reservoir sandstone is fine,are mainly to Coarse siltstone,fine lithic sand- stone and lithic quartz sandstone,calcium--quartz cementation secondary pore diagenetic facies in Xindu area^But calcium cementation secondary pore diagenetic facies is mainly development in FengGu,Zhongjiang and Majing area.
出处
《科技资讯》
2015年第21期210-211,共2页
Science & Technology Information
基金
四川省教育厅科研项目(编号:14ZB0361)
成都理工大学工程技术学院院级基金(编号:C122014012)共同资助
关键词
川西坳陷
蓬莱镇组
成岩作用
成岩相
West Sichuan depression
Penglaizhen formation
Diageneses
Diagenetic facies
