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。
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。
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