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金川矿区复杂地层钻探孔壁失稳机理与对策研究

张席芝, 杨亚平, 寇永渊, 巢世霞, 张统得, 蒋炳. 2023. 金川矿区复杂地层钻探孔壁失稳机理与对策研究. 钻探工程, 50(6): 70-77. doi: 10.12143/j.ztgc.2023.06.009
引用本文: 张席芝, 杨亚平, 寇永渊, 巢世霞, 张统得, 蒋炳. 2023. 金川矿区复杂地层钻探孔壁失稳机理与对策研究. 钻探工程, 50(6): 70-77. doi: 10.12143/j.ztgc.2023.06.009
ZHANG Xizhi, YANG Yaping, KOU Yongyuan, CHAO Shixia, ZHANG Tongde and JIANG Bing, . 2023. Research on mechanism and countermeasure of borehole wall destabilization in complex formation of Jinchuan mining area. DRILLING ENGINEERING, 50(6): 70-77. doi: 10.12143/j.ztgc.2023.06.009
Citation: ZHANG Xizhi, YANG Yaping, KOU Yongyuan, CHAO Shixia, ZHANG Tongde and JIANG Bing, . 2023. Research on mechanism and countermeasure of borehole wall destabilization in complex formation of Jinchuan mining area. DRILLING ENGINEERING, 50(6): 70-77. doi: 10.12143/j.ztgc.2023.06.009

金川矿区复杂地层钻探孔壁失稳机理与对策研究

  • 基金项目:

    金川集团工程建设有限公司科技项目“金川矿区深部复杂地层深孔快速钻进工艺匹配化研究”(编号:矿科2021-02号)

详细信息
    作者简介: 张席芝,男,汉族,1984年生,工程师,矿业工程专业,主要从事矿山掘进与探矿工程技术研究工作,甘肃省金昌市金川区银川路58号,zhangxizhi@Jnmc.com。

Research on mechanism and countermeasure of borehole wall destabilization in complex formation of Jinchuan mining area

  • 金川矿区目前资源开采逐渐向深部转移,采用的主要探矿方式为在采矿巷道中布设中深钻孔,由于矿区地质条件复杂,常出现钻孔垮孔、造浆、地层涌水、破碎等情况,影响了勘察效率。为了解矿区复杂地层影响钻孔孔壁稳定性的原因,对从矿区采取的岩样进行理化分析、微观分析和力学性质分析,结果表明金川矿区钻孔孔壁失稳主要是因为钻探过程中遇强水敏性、强破碎、强涌水和高地应力地层。通过对矿区钻孔孔壁进行稳定性评价,从冲洗液技术和工程技术等方面制定了钻探技术对策,为矿区钻探施工提供了技术支撑。
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出版历程
收稿日期:  2023-04-19
修回日期:  2023-06-30

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