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川南区块页岩气井压稳防漏固井技术研究

杨伟. 2023. 川南区块页岩气井压稳防漏固井技术研究. 钻探工程, 50(5): 153-158. doi: 10.12143/j.ztgc.2023.05.022
引用本文: 杨伟. 2023. 川南区块页岩气井压稳防漏固井技术研究. 钻探工程, 50(5): 153-158. doi: 10.12143/j.ztgc.2023.05.022
YANG Wei. 2023. Research on pressure stabilization and anti-leakage cementing technology of shale gas in Southern Sichuan Block. DRILLING ENGINEERING, 50(5): 153-158. doi: 10.12143/j.ztgc.2023.05.022
Citation: YANG Wei. 2023. Research on pressure stabilization and anti-leakage cementing technology of shale gas in Southern Sichuan Block. DRILLING ENGINEERING, 50(5): 153-158. doi: 10.12143/j.ztgc.2023.05.022

川南区块页岩气井压稳防漏固井技术研究

详细信息
    作者简介: 杨伟,男,汉族,1989年生,主管师,工程师,石油工程专业,长期从事固井工艺技术研究工作,河南省郑州中原区中原西路188号郑煤大厦东塔,328461884@qq.com。

Research on pressure stabilization and anti-leakage cementing technology of shale gas in Southern Sichuan Block

  • 川南区块深层页岩气井技术套管井深在2600~2900 m,通过前期11井次的技术套管固井施工,发现该区块技术套管固井主要难题为发育多套气层,浅层气活跃,同时茅口组易漏失,固井过程中压稳与防漏矛盾突出。本文系统分析了川南区块页岩气技术套管固井面临的主要难题,通过开展易漏地层堵漏后承压能力研究,水泥浆及浆柱结构设计,注替排量设计,压稳辅助技术研究,形成了一套适合川南区块页岩气技术套管多套气层固井压稳防漏的工艺技术,现场应用效果显著。
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出版历程
收稿日期:  2023-03-09
修回日期:  2023-05-06

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