发明名称 REMOTE INTERVENTION LOGIC VALVING METHOD AND APPARATUS
摘要 <p>A system of valves in which the valves operate over a designated pressure interval and are arranged to actuate performance of a sequenced set of events by downhole tools with the application of pressure to said valves.</p>
申请公布号 AU2003263826(A1) 申请公布日期 2004.04.08
申请号 AU20030263826 申请日期 2003.07.29
申请人 EXXONMOBIL UPSTREAM RESEARCH COMPANY 发明人 STEVEN, B. LONNES;WILLIAM, A. SOREM
分类号 E21B34/06;E21B23/04;E21B34/10;E21B43/25;E21B43/26;E21B47/12;E21B47/18;F15B13/07 主分类号 E21B34/06
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