发明名称 Manipulator system for servicing a hydraulic choke
摘要 The present invention relates to an apparatus for use in field servicing a choke valve system. The apparatus is used for lifting, manipulating, and handling the heavy components of hydraulic choke valves. The apparatus includes an elongated track, a choke valve support structure, a trolley that selectably reciprocates along a length of the trolley, and an attachment mechanism for attaching a choke actuator to the trolley.
申请公布号 US7159604(B2) 申请公布日期 2007.01.09
申请号 US20040832779 申请日期 2004.04.27
申请人 POWER WELL SERVICES, L.P. 发明人 SCHMIDT DAVID A.;SCHMIDT ROBERT F.;MCCASKILL JOHN W.
分类号 F16K3/02;E21B19/00 主分类号 F16K3/02
代理机构 代理人
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