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固井水泥膨胀剂与增韧剂协同作用与应用分析

李云杰 李黔 徐建军

李云杰, 李黔, 徐建军. 固井水泥膨胀剂与增韧剂协同作用与应用分析[J]. 钻井液与完井液, 2021, 38(1): 102-108. doi: 10.3969/j.issn.1001-5620.2021.01.017
引用本文: 李云杰, 李黔, 徐建军. 固井水泥膨胀剂与增韧剂协同作用与应用分析[J]. 钻井液与完井液, 2021, 38(1): 102-108. doi: 10.3969/j.issn.1001-5620.2021.01.017
LI Yunjie, LI Qian, XU Jianjun. Application and Analysis of the Synergy between Oil Well Cement Expanding Agents and Oil Well Cement Tougheners[J]. DRILLING FLUID & COMPLETION FLUID, 2021, 38(1): 102-108. doi: 10.3969/j.issn.1001-5620.2021.01.017
Citation: LI Yunjie, LI Qian, XU Jianjun. Application and Analysis of the Synergy between Oil Well Cement Expanding Agents and Oil Well Cement Tougheners[J]. DRILLING FLUID & COMPLETION FLUID, 2021, 38(1): 102-108. doi: 10.3969/j.issn.1001-5620.2021.01.017

固井水泥膨胀剂与增韧剂协同作用与应用分析

doi: 10.3969/j.issn.1001-5620.2021.01.017
基金项目: 

国家科技重大专项专题“陆相页岩气水平井低密度水泥浆固井技术研究”(2017ZX05039003-003)

详细信息
    作者简介:

    李云杰,高级工程师,1982年生,工程硕士,主要从事油气田钻完井工程及地质开发技术管理工作。电话(023)44279019;E-mail:xjj3080@163.com

  • 中图分类号: TE256.6

Application and Analysis of the Synergy between Oil Well Cement Expanding Agents and Oil Well Cement Tougheners

  • 摘要: 为探索固井水泥增韧剂与膨胀剂协同作用效果,分别选取晶格膨胀剂、发气膨胀剂2种膨胀材料,纤维、碳纳米管(CNTs)2种增韧材料,对不同材料相互协同作用后的水泥浆的膨胀性能、力学性能、孔隙结构、常规性能进行了实验研究,并对不同组合的应用工况进行了分析。研究表明,自由膨胀条件下增韧剂与发气膨胀剂协同膨胀率较高,而在高温高压下,CNTs-膨胀剂组合抑制收缩效果较好;CNTs与晶格膨胀剂联合作用后强度提升最大,基体孔隙度最低,且以微孔为主;而纤维与发气膨胀剂组合的断裂残余强度最高;膨胀剂与增韧剂混合对水泥浆失水量、沉降稳定性有一定的提升,对稠化时间有一定的延迟作用;其中,CNTs与2种膨胀剂组合的浆体动切力较大,触变性较强。研究结果可为不同工况下固井水泥浆设计提供借鉴和指导。

     

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出版历程
  • 收稿日期:  2020-10-18
  • 网络出版日期:  2021-08-16

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