The outer portions of the guide shoe are made from steel, generally matching the casing in size and threads, if not steel grade.
引鞋的外部由钢制成，一般与套管的尺寸和螺纹匹配，如果钢级不匹配的话。
An enlarged pipe at the top of a casing string that serves as a funnel to guide drilling tools into the top of a well.
套管柱顶部的一根大口径管，形如漏斗，以引导钻井工具进入到井眼的顶部。
We are connecting the guide shoe and casing shoe.
我们正在接引鞋和套管鞋。
Flow is made more stable by providing outwardly flaring guide walls on the outlet of the casing.
另外，通过在壳体的流出口设置扩口的引导壁，形成更稳定的流 动。
Each guide mechanism consists of a casing and a long rod which can move in the casing.
各导向机构由套管和可在套管中运动的长杆组成。
We are connecting the guide shoe and the casing shoe.
我们正在接引鞋和套管鞋。
First, connect the guide shoe and the casing shoe.
先接好引鞋和套管鞋。
The power plant includes a hydraulic pump, a hydraulic cylinder, a guide rail and a gantry. The gantry is fixedly connected with the casing.
动力装置包括液压泵、液压缸、导轨和龙门架，龙门架与壳体固定联接；
The power plant includes a hydraulic pump, a hydraulic cylinder, a guide rail and a gantry. The gantry is fixedly connected with the casing.
动力装置包括液压泵、液压缸、导轨和龙门架，龙门架与壳体固定联接；
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