Drilling Stem Vibration Analysis 钻柱振动分析
Drilling Stem Test 钻柱测试 ; 钻柱地层测试
drilling stem testing 钻柱地层测试
Three-dimension drilling stem strength analysis based on considering the torsion load and studies deformation, bend-moment, stress, the distribution characteristics of RWD BHA was made .
在考虑扭转载荷的基础上进行的三维钻柱组合强度分析，对随钻扩眼下部钻具组合的变形、钻具组合的弯矩和应力大小及其分布规律进行了研究。
参考来源 - RWD随钻扩眼下部钻具组合设计与力学行为研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The insulation pipe-drilling stem string and its using method are introduced.
介绍了保温管、测试管串的结构以及使用方法。
It is connected to the required position of drilling stem to protect drilling stem without any influence on the normal working of drilling tool.
将它连接于所用钻柱的需要部位，保护钻柱、不影响钻具正常工作。
Build erosive wear mode of drilling stem. From the view of mathematics, express the relationship between erosive wear quality and major erosion factors.
建立钻屑冲蚀的数学模型，从数学角度表达出了冲蚀磨损量与冲蚀影响因素间的关系。
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