Seen from layer structure the using condition of well section and region distribution, diamond bit has ideal market prospect.
从地层结构、井段使用情况、地域分布情况等来看，金刚石钻头具有理想的市场前景。
It is very difficult to calculate this parameter from point by point conventional log interpretation for the layers in a single well section.
采用常规测井解释方法逐点计算单井剖面中各小层的渗透率往往很难达到精度要求。
Temperature-sensing curves show that temperature distribution of horizontal well section was well improved and uniform steam injection was realized.
测温曲线表明，水平段温度分布得到了很好的改善，实现了均匀注汽。
Circular arc well section parameter calculation is the most primary question among a series of questions of directional orbit design and actual surveyed trajectory.
在定向井轨道设计、实钻轨迹监控等一系列问题中，圆弧井段参数计算是一个最基础的问题。
For the extended well, high angle drilling, horizontal drilling and deep well drilling, or in the well section of large dogleg severity, or the long open hole, casing wear often happens.
在大位移井、大斜度井、水平井和深井钻井中，或者在狗腿严重度较大的井段，或者在技术套管下入后的长裸眼钻井过程中，常常出现套管磨损问题。
There exists the optimal value of space between side laterals, which is similar to the existence of the optimal well pattern and pattern well spacing in vertical well section production mode.
与直井区块开采方式存在最优井网和井距类似，在井的基本结构确定之后，存在最优的分支间距；
Taking into account the rotating effect of the drillstring, this paper presents a bifurcating differential equation for the rotating slender drillstring being in tension in vertical well section.
考虑到垂直井中钻柱受拉段在旋转时的转动效应，建立了顶部悬挂、受分布浮重作用的旋转细长钻柱的分岔微分方程。
Taking into account the rotating effect of the drillstring, this paper presents a bifurcating differential equation for the rotating slender drillstring being in tension in vertical well section.
考虑到垂直井中钻柱受拉段在旋转时的转动效应，建立了顶部悬挂、受分布浮重作用的旋转细长钻柱的分岔微分方程。
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