改善固井水泥石力学性能的研究进展  

Progress in Studying on Improving Mechanical Property of Set Cement in Well Cementing

作　　者：田磊聚 朱海金[1,2,3] 卢海川 侯薇[1,2,3] 步玉环 TIAN Leiju;ZHU Haijin;LU Haichuan;HOU Wei;BU Yuhuan(CNPC Tianjin Bo-xing Engineering Science&Technology CO.,Ltd,Tianjin 300451;Key Laboratory of Drilling Engineering,CNPC,Tianjin 300451;National Engineering Research Center of Oil&Gas Drilling and Completion Technology,Tianjin 300451;China University of Petroleum(East China),Qingdao,Shandong 266555)

机构地区：[1]天津中油渤星工程科技有限公司,天津300451 [2]中国石油集团钻井工程重点实验室估计技术研究室,天津300451 [3]油气钻井技术国家工程实验室固井技术研究室,天津300451 [4]中国石油大学(华东)石油工程学院,山东青岛266555

出　　处：《钻井液与完井液》2024年第6期695-708,共14页Drilling Fluid & Completion Fluid

基　　金：中国石油集团海洋工程公司课题“抗有机盐钻井液污染的隔离液技术研究”(202307-0202)。

摘　　要：水泥石良好的力学性能对保证水泥环密封完整性具有重要意义。近年来,随着非常规油气资源日益成为油田增产稳产的主力,随着储气库开发和建设的不断深入,固井水泥石需要更好的力学性能才能满足复杂油气井密封完整性的需求。针对国内外改善水泥石力学性能的研究现状开展了调研,系统性阐述了当前改善固井水泥石力学性能的方法、材料及生效机理,着重介绍了超高性能混凝土对改善油井水泥力学性能的启发,以及纳米纤维、纳米管和晶须等材料的最新研究进展,为今后提升油井水泥石力学性能研究提供借鉴。Good mechanical properties of a set cement are of significance to the sealing integrity of the cement sheath.In recent years,with unconventional oil and gas resources becoming the main contributor to the production of oil and gas,and with more gas storage facilities being developed and constructed,set cement in well cementing with better mechanical properties is required to satisfy the needs of sealing integrity in complex oil and gas wells.In this paper,the investigation and survey done on set cement mechanical property improvement both at home and abroad are described,the methods and materials,as well as the mechanisms for the methods and the materials to work in improving the mechanical properties of set cement are systematically elaborated,the way in which the ultra-high performance concreate improves the mechanical properties of the oil well cement is introduced with emphasis,and the newest progresses made in the study of nanofibers,nanotubes and whiskers are expounded.The information and the thoughts of this article will hopefully be helpful in future studying on the improvement the mechanical properties of oil well set cement.

关 键 词：固井水泥 密封完整性 抗压强度 纳米材料 弹韧性 综述 

分 类 号：TE256[石油与天然气工程—油气井工程]