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Year of Publication 02.10.2013
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Bidirectional anchoring well completion hanging packer for horizontal well
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Year of Publication 14.09.2011
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Ball-casting opened self-locking sliding sleeve
LI YONGGE, XU TING, CAO ZHONGLIN, LI BAIHUI, TAO HUI, YIN HONGKE, CHEN DEMIN, WANG CHENG, GUO XIANGLEI, CHEN HEPING
Year of Publication 14.09.2011
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Year of Publication 14.09.2011
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Ball-locking setting ball seat
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External differential pressure opening circulating valve
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Year of Publication 25.05.2011
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Open hole completion fracturing packer
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Year of Publication 14.09.2011
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Year of Publication 14.09.2011
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