发明名称 TRIGGERING MECHANISM DISCRIMINATED BY LENGTH DIFFERENCE
摘要 <p>A downhole trigger mechanism and method for using the same are provided. The downhole trigger mechanism can include at least two contact points spaced a longitudinal distance from one another. The trigger mechanism can be actuated when the contact points of the trigger mechanism are simultaneously contacted by at least two contact points of an actuator. The contact points of the actuator can be spaced a longitudinal distance from one another.</p>
申请公布号 WO2010096309(A1) 申请公布日期 2010.08.26
申请号 WO2010US23717 申请日期 2010.02.10
申请人 SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;CHEN, KUO-CHIANG;RYTLEWSKI, GARY;FLEMING, JOHN 发明人 CHEN, KUO-CHIANG;RYTLEWSKI, GARY;FLEMING, JOHN
分类号 E21B34/14 主分类号 E21B34/14
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