It has characteristics of hydraulic setting, bi-directional slip anchoring, and fishing property of matching releasing tool, so it's an ideal tool for water shutoff and separate zone production.

它具有液压坐封、双向卡瓦锚定、配套丢手打捞工具打捞等基本特点，是油田卡堵水、分层采油的理想配套工具。

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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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