聚硅纳米材料在油藏注水井中降压增注机理研究  

DECOMPRESSION AND AUGMENTED INJECTION THEORIES RESEARCH OF NANOMETER POLESILICON IN OILFIELD WATER FLOOD DEVELOPMENT

作　　者：易华[1] 孙洪海[1] 李飞雪[2] 李伟宏[1] 

机构地区：[1]大庆师范学院 [2]大庆油田有限责任公司

出　　处：《哈尔滨师范大学自然科学学报》2005年第6期66-69,共4页Natural Science Journal of Harbin Normal University

摘　　要：聚硅纳米材料降压增注技术是以二氧化硅为主要成分,具有正电性的聚硅纳米颗粒进入岩石孔隙后,吸附于岩石孔隙内表面,其强的憎水亲油能力及强大的吸附能力,有效地扩大了孔隙半径,大幅降低了注入水在孔隙中的流动阻力,也隔开了地层岩石与水的接触,避免了粘土颗粒的水化膨胀,因而降低注入压力,起到一定的增注作用．聚硅纳米材料应用于油田水井增注,从现场应用效果分析,聚硅纳米材料与油田水井增注相关的因素包括：油层的渗透率、油层岩石的润湿性、聚硅纳米材料的分散性质和聚硅纳米材料的理化性质等．Main composition of nanometer polesilicon is silicon dioxide, nanometer polesilicon particles have the positive electricity, the particles enter void space of the rock, and are adsorbed in the rock void space inside surface, nanometer polesilicon particles have the ability of stronger hydrophobility and lipophilic and adsorptivity , and can availably extend the void space of the rock of the radius, and decompression and augmented injection. This text analyzed the spot application the result, and study the nanometer polesilicon and oil -field water the well＇s main factor of decompression and augmented injection.

关 键 词：聚硅纳米材料 降压增注 亲油性 吸附性 渗透率 

分 类 号：TE357.6[石油与天然气工程—油气田开发工程] TB383[一般工业技术—材料科学与工程]