深孔及松软地层大口径绳索取心钻具的研究与应用
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河北省地矿局国土资源勘查中心,河北省地矿局国土资源勘查中心,河北省地矿局国土资源勘查中心,河北省地矿局国土资源勘查中心,河北省地矿局国土资源勘查中心,河北省地矿局国土资源勘查中心,河北省地矿局国土资源勘查中心,河北省地矿局国土资源勘查中心,河北省地矿局国土资源勘查中心,河北省地矿局国土资源勘查中心

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P634.4 2

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Study on Large Diameter Wire-line Coring Tool in Deep Hole and Soft Formation Drilling and the Application
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The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration

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    摘要:

    为解决深孔大口径及松软地层取心难的问题,推进取心钻探技术的发展,研发了一套大口径绳索取心钻具。着重介绍了大口径绳索取心钻具的结构特点、技术参数、技术创新及使用效果。应用结果表明,该大口径绳索取心钻具结构合理、各机构动作可靠、岩心采取率高,能够满足深孔及松软地层的取心要求。

    Abstract:

    A set of large diameter wire-line coring tool is developed to solve the difficulties in large diameter deep hole and soft formation drilling. The paper introduces its structure characteristics, technical parameters, technical innovation and the application effects. The application effects show that this drilling tool has the advantages of rational structure, reliable mechanism action and high coring rate and can meet the coring requirements in deep hole and soft formation.

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李晓晖,程林,李艳丽,等.深孔及松软地层大口径绳索取心钻具的研究与应用[J].钻探工程,2014,41(12):49-52.
LI Xiao-hui, CHENG Lin, LI Yan-li, et al. Study on Large Diameter Wire-line Coring Tool in Deep Hole and Soft Formation Drilling and the Application[J]. Drilling Engineering, 2014,41(12):49-52.

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  • 收稿日期:2014-12-01
  • 最后修改日期:2014-12-09
  • 录用日期:2014-12-10
  • 在线发布日期: 2015-01-07
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