纤维素醚化改性制备热致可逆凝胶及其在稠油油藏的应用  

Preparation of thermal reversible gel with etherification modified cellulose and its application in heavy oil reservoir

作　　者：毛国梁[1] 卢大伟[1,2] 李庆松[2] 孟建勋[2] 

机构地区：[1]东北石油大学化学化工学院,黑龙江大庆163318 [2]大庆油田采油工程研究院,黑龙江大庆163453

出　　处：《化工科技》2016年第4期63-67,共5页Science & Technology in Chemical Industry

基　　金：国家自然科学基金资助项目(51534004;U1362110);中国石油科技创新基金资助项目(2013D-5006-0503)

摘　　要：纤维素醚因其原料来源广泛、分子结构独特、所形成的水凝胶具有热力学可逆性及良好的抗盐性能而在油田化学剂的研究开发中受到重视。介绍了纤维素醚的结构、性质及其合成方法;综述了纤维素醚的成胶机理及调节剂、添加剂对凝胶性质的影响以及纤维素醚作为热致可逆凝胶在稠油油藏封窜中的应用研究进展。Due to its wide availability, unique molecular structure, thermodynamic reversibility and salt resistance of aqueous gel after etherification modification,cellulose has become very popular in oilfield chemicals in recent years.The structure,properities and preparation routine of cellulose ether were in- troduced with the gelling mechanism, effects of regulator and additives on the gel, and the application of cellulose ether as thermal reversible gel in heavy oil reservoir sealing and channeling were reviewed.

关 键 词：纤维素 醚化改性 热致可逆凝胶 

分 类 号：TE357.462[石油与天然气工程—油气田开发工程]