Operation code for casing running 下套管作业规程
running casing 下套管
casing-running device 下套管装置
casing running operation 下套管作业
casing running technique 下套管技术
casing running technology 下套管技术
forecast depth of casing running 下入深度预测
Prepare for running casing 准备下套管
Casing Hanger Running Tool 套管悬挂运行装置
This paper analyzes the factors which affect the quality of casing running during casing running operation.
分析在下套管作业中，影响其作业质量的因素。
It connects with threads on both ends of pipe body, which allows a smaller casing O. D. and increases annular gap to facility casing running in and improve cementing quality.
无接箍式套管靠管体两端的螺纹连接，所以套管外径尺寸小，可增大环形间隙，便于套管下入和提高固井质量。
Small-clearance casing, playing an important role in cementing, can enlarge the effective cementing clearance, facilitate the casing running-in, and improve the cement bond quality.
窄间隙套管可有效增大固井间隙，有利于套管的下入和水泥封固质量的提高，具有重要的用途。
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