发明名称 Well tool with combined actuation of multiple valves
摘要 A well tool (20) with combined actuation of multiple valves. A well tool includes at least two valves (30,32) and an actuator (24) which actuates each of the valves, one valve (32) being positioned longitudinally between the other valve (30) and the actuator (24), and the other valve being operable in response to displacement of an operating device (44) by the actuator (24).
申请公布号 EP2233685(A3) 申请公布日期 2014.06.25
申请号 EP20100155253 申请日期 2010.03.02
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 WRIGHT, ADAM D.;MARTIN, ADAM H.;RINGGENBERG, PAUL D.
分类号 E21B34/10;E21B49/08 主分类号 E21B34/10
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