Geoprobe直推式土壤钻机在涌砂层中的应用 |
投稿时间:2019-07-08 修订日期:2020-04-27 点此下载全文 |
引用本文:彭新明,周国庆,李安,等.Geoprobe直推式土壤钻机在涌砂层中的应用[J].钻探工程,2020,47(5):60-64.PENG Xinming,ZHOU Guoqing,LI An,et al. Application of Geoprobe direct push & rotary rig in sampling in quicksand layers[J]. Drilling Engineering, 2020,47(5):60-64. |
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中文摘要:本文介绍了Geoprobe7822DT、Geoprobe 8040DT、Geoprobe 3230DT三种型号直推式土壤钻机的结构、主要特点和应用情况,并与其他类型功能相近的取样钻机的使用效果进行了对比,分析了Geoprobe直推式土壤钻机在涌砂层钻进中存在护壁功能不足、整体稳定性较差、钻杆易损等主要问题,并对直推式土壤钻机后续的改进和使用提出了建议。 |
中文关键词:Geoprobe直推式土壤钻机 钻探取样 涌砂层 |
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Application of Geoprobe direct push & rotary rig in sampling in quicksand layers |
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Abstract:This paper introduces the structure, main features and application of Geoprobe7822DT, Geoprobe 8040DT and Geoprobe 3230DT direct push soil drilling rigs, and compares them with other types of similar sampling rigs. Analysis is conducted on their inadequacies in quicksand sampling such as insufficient wall protection, poor overall stability, and easy drill pipe damage with suggestions put forward for further improvement and use of the direct push soil drilling rigs. |
keywords:Geoprobe direct push & rotary rig drilling sampling quicksand layer |
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