| 冲击挤压跟管钻具的设计与仿真分析 |
| 投稿时间：2013-06-25 修订日期：2013-06-25 点此下载全文 |
| 引用本文：罗宏保,李子章,姜昭群,等.冲击挤压跟管钻具的设计与仿真分析[J].钻探工程,2013,40(7):97-99.LUO Hong-bao,LI Zi-zhang,JIANG Zhao-qun,et al. Design of the Impact Extrusion Drilling Tool with Casing and the Simulation Analysis[J]. Drilling Engineering, 2013,40(7):97-99. |
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| 基金项目:中国地质调查局地质调查工作项目“软弱地层快速成孔工艺与器具研究”(项目编码：1212011120262) |
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| 中文摘要:通过对潜孔锤跟管钻进在软弱地层中难以钻进的原因进行分析，提出将冲击挤压钻进与跟管钻进结合的设计思路，进行冲击挤压跟管钻具的结构设计。运用有限元分析软件对钻具的钻进工况进行仿真模拟分析，根据计算结果对钻具的设计、优化进行指导并为钻具结构设计的合理性提供理论依据。 |
| 中文关键词:潜孔锤跟管钻进 钻具 软弱地层 冲击挤压 仿真模拟 |
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| Design of the Impact Extrusion Drilling Tool with Casing and the Simulation Analysis |
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| Abstract:By the analysis on the difficulties for DTH Hammer drilling with casing in soft stratum, the design ideas of combining the impact extrusion drilling and drilling with casing were proposed to complete the structure design of impact extrusion drilling tool with casing. By the finite element analysis software, the simulation analysis on the drilling conditions was made; the calculation results can be instructive to the design and optimization of drilling tools and can be the theoretical basis for the rationality of design of DTH hammer drilling tool structure. |
| keywords:DTH hammer drilling with casing drilling tool soft stratum impact extrusion simulation analysis |
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