... bi-directional pipe prover 双向管式标定装置 bi-directional slip 双向卡瓦 bi-metal liner 双金属缸套 ...
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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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