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震击型中空螺杆取心钻具钻进效率分析

韩泽龙, 宋刚, 陈晓君, 李小洋, 牛庆磊, 邵玉涛. 2023. 震击型中空螺杆取心钻具钻进效率分析. 钻探工程, 50(3): 54-59. doi: 10.12143/j.ztgc.2023.03.007
引用本文: 韩泽龙, 宋刚, 陈晓君, 李小洋, 牛庆磊, 邵玉涛. 2023. 震击型中空螺杆取心钻具钻进效率分析. 钻探工程, 50(3): 54-59. doi: 10.12143/j.ztgc.2023.03.007
HAN Zelong, SONG Gang, CHEN Xiaojun, LI Xiaoyang, NIU Qinglei and SHAO Yutao, . 2023. Analysis of drilling efficiency of shock hollow screw coring tool. DRILLING ENGINEERING, 50(3): 54-59. doi: 10.12143/j.ztgc.2023.03.007
Citation: HAN Zelong, SONG Gang, CHEN Xiaojun, LI Xiaoyang, NIU Qinglei and SHAO Yutao, . 2023. Analysis of drilling efficiency of shock hollow screw coring tool. DRILLING ENGINEERING, 50(3): 54-59. doi: 10.12143/j.ztgc.2023.03.007

震击型中空螺杆取心钻具钻进效率分析

  • 基金项目:

    中国地质科学院勘探技术研究所所管科技项目“深海硬岩一体式震击型中空螺杆取心钻具研究”(编号:2020260002Q2000011);中国地质调查局地质调查项目“深海钻探工程关键技术支撑”(编号:DD20221721)

详细信息
    作者简介: 韩泽龙,男,汉族,1993年生,工程师,石油与天然气工程专业,硕士,长期从事海洋钻探技术研究工作,河北省廊坊市金光道77号,785674682@qq.com。

Analysis of drilling efficiency of shock hollow screw coring tool

  • 针对深海硬岩取心钻进过程中钻进效率低、取心率低、扰动大、事故率高等问题,本文以深海硬岩为研究对象,通过有限元数值分析软件,探究深海硬岩在回转、冲击复合工况下的破碎机理。研究结果表明:旋转冲击的破岩方式可有效的提高深海硬岩钻进效率;钻进取心过程中可优选15~25 kN钻压,凸台高度可优选4~6 mm,此时钻进速度较快、获取岩心质量较高、能量利用率高;在震击部件强度允许的条件下,冲击频率越接近最优频率,钻进效率越高。
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出版历程
收稿日期:  2023-01-18
修回日期:  2023-03-03

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