川口油田姚50-姚80区长6储层微观孔隙结构特征  

Study on the micro-pore structure characteristics of Chang 6 reservoirs in Yao 50～Yao 80 area in Chuankou Oilfield

作　　者：李江[1] 刘畅[1] 王亚鹏[1] 赵娟[1] Li Jiang;Liu Chang;Wang Yapeng;Zhao Juan(Nanniwan Oil Production Plant,Yanchang Oilfield Corporation,Yan’an 716000)

机构地区：[1]延长油田股份有限公司南泥湾采油厂

出　　处：《石化技术》2019年第9期137-137,122,共2页Petrochemical Industry Technology

摘　　要：根据铸体薄片及高压压汞技术研究了川口油田姚50-姚80区长6储层微观孔隙结构特征。结果表明:长6储层主要发育粒间孔和溶孔,平均孔径约30μm,平均喉道直径约0.5μm。根据压汞参数分布特征和储层含油性,将长6储层细分为3种类型,其中II类和III类是主要的储集空间类型,具有很好的勘探潜力。According to casting thin section and high pressure mercury pressure technology,the micro-pore structure characteristics of Chang 6 reservoir in Yao 50-Yao 80 area of Chuankou oilfield are studied.The results show that intergranular pore and dissolution pore are mainly developed in Chang 6 reservoir.The average pore diameter is about 30μm and the average throat diameter is about 0.5μm.According to the distribution characteristics of mercury injection parameters and reservoir oil-bearing property,Chang 6 reservoir is divided into three types,of which grade II and III are the main types of reservoir space and have good exploration potential.

关 键 词：储层微观特征 长6油层组 川口油田 鄂尔多斯盆地 

分 类 号：P61[天文地球—矿床学]