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形状记忆聚合物型温控膨胀堵漏剂的制备及应用

杨倩云 王宝田 杨华 刘学明

杨倩云, 王宝田, 杨华, 刘学明. 形状记忆聚合物型温控膨胀堵漏剂的制备及应用[J]. 钻井液与完井液, 2021, 38(2): 189-195. doi: 10.3969/j.issn.1001-5620.2021.02.010
引用本文: 杨倩云, 王宝田, 杨华, 刘学明. 形状记忆聚合物型温控膨胀堵漏剂的制备及应用[J]. 钻井液与完井液, 2021, 38(2): 189-195. doi: 10.3969/j.issn.1001-5620.2021.02.010
YANG Qianyun, WANG Baotian, YANG Hua, LIU Xueming. Preparation and Application of a Temperature-Controlled Expanding LCM Made from Shape-Memory Polymer[J]. DRILLING FLUID & COMPLETION FLUID, 2021, 38(2): 189-195. doi: 10.3969/j.issn.1001-5620.2021.02.010
Citation: YANG Qianyun, WANG Baotian, YANG Hua, LIU Xueming. Preparation and Application of a Temperature-Controlled Expanding LCM Made from Shape-Memory Polymer[J]. DRILLING FLUID & COMPLETION FLUID, 2021, 38(2): 189-195. doi: 10.3969/j.issn.1001-5620.2021.02.010

形状记忆聚合物型温控膨胀堵漏剂的制备及应用

doi: 10.3969/j.issn.1001-5620.2021.02.010
基金项目: 

中石化集团公司基金项目“温控型刚性膨胀堵漏技术的研究与应用”(JP17026)

详细信息
    作者简介:

    杨倩云,高级工程师,1978年生,现在主要从事钻井液技术研究工作。电话13854650307;E-mail:yangqy83.ossl@sinopec.com

  • 中图分类号: TE254.3

Preparation and Application of a Temperature-Controlled Expanding LCM Made from Shape-Memory Polymer

  • 摘要: 针对裂缝性漏失地层,利用低聚物树脂单体与交联剂和增韧剂在催化剂作用下加热交联,制备温度触变模式的抗温承压形变聚合物膨胀堵漏剂SDP,以自适应漏失空间架桥堵塞。研制SDP系列聚合物板材常温抗压强度≥71.62 MPa,高温抗压强度≥17.21 MPa;在激活温度环境下,膨胀延迟时间为40.07~53.43 min,随着环境温度的升高,膨胀延迟时间降低。其不同粒径颗粒复配后可对裂缝膨胀架桥封堵,9%浓度的堵漏液承压能力≥9.5 MPa。将温控膨胀堵漏剂复配刚性和弹性颗粒、柔性纤维等材料在宁夏兴1井进行了应用,解决了延安组煤层裂缝性反复漏失问题,一次堵漏成功率100%,漏失量相比降低了77.67%。

     

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  • 收稿日期:  2020-11-19

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