| 三层管底喷取心钻具在海相第四系和新近系中的应用 |
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| 引用本文： | 宋世杰,张英传,田志超,栾国栋.三层管底喷取心钻具在海相第四系和新近系中的应用[J].探矿工程,2017,44(3):10-13. |
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| 作者姓名： | 宋世杰 张英传 田志超 栾国栋 |
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| 作者单位： | 山东省第三地质矿产勘察院,山东省第三地质矿产勘查院,山东省第三地质矿产勘察院,山东省第三地质矿产勘察院 |
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| 基金项目： | 国家专项基金项目“大陆架科学钻探”（编号：GHZ201100202） |
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| 摘 要： | 在海相第四系和新近系地层中钻进存在流塑、软塑等淤泥地层取心困难，砂层中堵心、被冲刷、样品扰动等现象时有发生。针对上述问题，设计了三层管底喷取心钻具，并在施工中加以改进。通过在南黄海科钻CSDP-2孔第四系、新近系中施工验证，证明该钻具具有很好的取心效果。
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| 关 键 词： | 大陆架科学钻探 南黄海 三层管取心钻具 第四系和新近系取心 |
| 收稿时间： | 2016/7/19 0:00:00 |
| 修稿时间： | 2016/12/13 0:00:00 |
Application of Sampling Drilling Tools of Three Layer Pipes in the Marine Quaternary System |
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| SONG Shi-jie,ZHANG Ying-chuan,TIAN Zhi-chao and LUAN Guo-dong.Application of Sampling Drilling Tools of Three Layer Pipes in the Marine Quaternary System[J].Exploration Engineering(Drilling & Tunneling),2017,44(3):10-13. |
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| Authors: | SONG Shi-jie ZHANG Ying-chuan TIAN Zhi-chao and LUAN Guo-dong |
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| Institution: | No.3 Exploration Institute of Geology and Mineral Resources of Shandong Province,No.3 Exploration Institute of Geology and Mineral Resources of Shandong Province,No.3 Exploration Institute of Geology and Mineral Resources of Shandong Province and No.3 Exploration Institute of Geology and Mineral Resources of Shandong Province |
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| Abstract: | If wanting to get the ideal coring effect in the quaternary system and neogene , you must overcome the coring difficulties during drilling in flow model, RuanSu silt stratum , which are core block,washing out and disturbed samples etc. in the sand,Three layer tube coring drilling tool with bottom jet bit is mainly designed for quaternary loose and neogene, weak formation coring drilling and the structure is improved during drilling. The drilling tool is tested in the East China Sea the CSDP-2 holes in the quaternary, and it shows that the newly improved structure of the drilling tool could obtain the very good coring effect. |
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| Keywords: | continental scientific drilling south Huanghai Sea sampling drilling tools with three layer tube coring in Quaternary |
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