发明名称 TUBULAR VALVE SYSTEM AND METHOD
摘要 A tubular valve system including a tubular having a plurality of ports therethrough; a plurality of strokable sleeves disposed at the tubular being configured to stroke in response to a same external input; and a plurality of motion translating details disposed at at least one of the tubular and the plurality of strokable sleeves configured to alter a stroke of the plurality of strokable sleeves after a selected number of strokes to thereby open at least one of the plurality of ports and method.
申请公布号 US2011011597(A1) 申请公布日期 2011.01.20
申请号 US20090503236 申请日期 2009.07.15
申请人 BAKER HUGHES INCORPORATED 发明人 FAY PETER J.
分类号 E21B34/14;E21B34/00;E21B34/10 主分类号 E21B34/14
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