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。
Hydraulic disconnects rely on the application of a predefined pressure through the running string to activate a release mechanism.
通过下入管柱施加一个预定的压力来实现水力断开，于是启动释放机构。
The sensor component in a weight-indicator system that detects the tensional or compressional forces being imparted to the running string at surface.
指重表系统中的传感器部件。它用来在地面检测作用于下入管柱的拉张力或压缩力。
Because the normal, or neutral, position of the ports is closed, the running string can be circulated as often as necessary, at any point in the wellbore, without permanently deactivating the tool.
由于通路正常位置，或说静止位置阀位为关闭状态，所以能够根据实际需要，在井眼任意位置以任意频率循环井内管柱，且不需要永久性拆卸工具。
Because the normal, or neutral, position of the ports is closed, the running string can be circulated as often as necessary, at any point in the wellbore, without permanently deactivating the tool.
由于通路正常位置，或说静止位置阀位为关闭状态，所以能够根据实际需要，在井眼任意位置以任意频率循环井内管柱，且不需要永久性拆卸工具。
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