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二氧化碳爆破储层改造近炮孔处岩石性质变化及温度分布规律研究

郑君, 樊涛, 窦斌, 吴天予. 2022. 二氧化碳爆破储层改造近炮孔处岩石性质变化及温度分布规律研究. 钻探工程, 49(3): 13-22. doi: 10.12143/j.ztgc.2022.03.002
引用本文: 郑君, 樊涛, 窦斌, 吴天予. 2022. 二氧化碳爆破储层改造近炮孔处岩石性质变化及温度分布规律研究. 钻探工程, 49(3): 13-22. doi: 10.12143/j.ztgc.2022.03.002
ZHENG Jun, FAN Tao, DOU Bin and WU Tianyu, . 2022. Rock property change and temperature distribution near blasting holes in carbon dioxide blasting reservoir treatment. DRILLING ENGINEERING, 49(3): 13-22. doi: 10.12143/j.ztgc.2022.03.002
Citation: ZHENG Jun, FAN Tao, DOU Bin and WU Tianyu, . 2022. Rock property change and temperature distribution near blasting holes in carbon dioxide blasting reservoir treatment. DRILLING ENGINEERING, 49(3): 13-22. doi: 10.12143/j.ztgc.2022.03.002

二氧化碳爆破储层改造近炮孔处岩石性质变化及温度分布规律研究

  • 基金项目:

    国家重点研发计划“未固结砂岩热储层保护与增效钻完井技术及材料”(编号:2019YFB1504201)

详细信息
    作者简介: 郑君,女,汉族,1987年生,副教授,工业工程专业,博士,主要从事地热能开发利用以及钻进自动化研究及教学工作,湖北省武汉市洪山区鲁磨路388号,junzheng@cug.edu.cn。
    通讯作者: 窦斌,男,汉族,1973年生,教授,地质工程专业,博士,主要从事干热岩开发研究及教学工作,湖北省武汉市洪山区鲁磨路388号,briandou@163.com
  • 中图分类号: P634

Rock property change and temperature distribution near blasting holes in carbon dioxide blasting reservoir treatment

More Information
    Corresponding author: DOU Bin and WU Tianyu
  • 传统的地热井井身结构不适用于利用二氧化碳爆破技术进行干热岩储层建造,因此本文基于二氧化碳爆破致裂技术建造干热岩储层的新型井身结构工艺进行了进一步探究。结合该工艺水平井段(炮孔)钻进过程实际工况,对钻井后水平井段(炮孔)附近干热岩储层的物理力学性质变化规律及储层温度分布特征进行了岩石力学实验和数值模拟研究。研究结果表明钻井液降温产生的热应力作用是储层岩石性质发生变化、出现热损伤区的主要原因;冷却过程中炮孔附近储层呈现出“快速降温区-平缓降温区-未降温区”的区域性温度分布特征;储层初始温度和冷却时长对快速降温区温度分布以及热损伤区范围影响较大。本研究可以为二氧化碳爆破致裂干热岩储层建造提供理论指导。
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出版历程
收稿日期:  2022-02-06
修回日期:  2022-04-12

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