The smallest diameter present in a wellbore through which a tool string must pass to enable access to the operating depth or zone of interest.
工具管柱要到达工作深度或有关层段所必须经过的在井筒中存在的最小直径。
A setting or operating method that USES hydraulic force applied through the tubing or running string to activate a downhole tool.
通过油管或下入管柱施加液压力来启动井下工具的一种坐封或操纵的方法。
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