发明名称 Control line damper for valves
摘要 <p>A downhole tool actuation system comprises a control line in fluid communication with a control fluid source, a first piston assembly comprising a first surface in fluid communication with the control line, and a damper piston assembly comprising a second surface in fluid communication with the first surface. The first piston assembly is configured to actuate the downhole tool.</p>
申请公布号 AU2012384917(A1) 申请公布日期 2015.01.22
申请号 AU20120384917 申请日期 2012.07.12
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 VICK JR., JAMES DAN
分类号 E21B4/02;E21B1/36 主分类号 E21B4/02
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