发明名称 EXPANSION SYSTEM FOR AN EXPANDABLE TUBULAR ASSEMBLY
摘要 The present invention generally relates to an apparatus and method for expanding an expandable tubular assembly in a borehole. In one aspect, a system for expanding a tubular having an anchor portion in a borehole is provided. The system includes a running tool configured to position the tubular in the borehole. The running tool including a first expander configured to activate the anchor portion by expanding the tubular to a first diameter. The system further includes a second expander configured to expand the tubular to a second larger diameter, wherein the second expander is movable between a retracted position and an expanded position. In another aspect, a method of expanding a tubular having an anchor portion in a borehole is provided.
申请公布号 EP2702227(B1) 申请公布日期 2017.03.08
申请号 EP20120718868 申请日期 2012.04.27
申请人 Weatherford Technology Holdings, LLC 发明人 GIROUX, Richard Lee;GANDIKOTA, Varadaraju;ABEDRABBO, Nader E.;KENDZIORA, Larry A.;RING, Lev
分类号 E21B23/00;E21B19/00;E21B43/10 主分类号 E21B23/00
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