对全井眼电导含水率计的结构和测量原理进行了简要介绍。
The structure and measuring principle of the full borehole conductance water-cut meter is briefly introduced.
深入研究了近钻头空间姿态测量系统的结构、原理及安装等问题。对比分析了两种坐标系下测量和计算井眼轨迹参数的优缺点。
An intensively research on the structure, installation and working mechanism of the bit attitudes surveying system is given in this paper.
并根据井眼条件(有无套管)等方面因素，对打捞主体的机械结构进行了合理设计。
A reasonable mechanical design of the main die body was given on the basis of considering every determining factors such as the bore hole condition (casing or not).
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