发明名称 Hydraulic control system
摘要 A hydraulic control system for controlling an external device ( 4 ) at a well installation includes a control module ( 2 ) for generating electrical and/or optical control signals. A control pod ( 8 ) receives the control signals, the control pod controlling the external device. A hydraulic line ( 10 ) links the control pod to the external device ( 4 ) for controlling it.
申请公布号 US2006157254(A1) 申请公布日期 2006.07.20
申请号 US20050316138 申请日期 2005.12.22
申请人 VETCO GRAY CONTROLS LIMITED 发明人 BAGGS CHRISTOPHER D.
分类号 E21B29/12;E21B33/035;E21B34/04 主分类号 E21B29/12
代理机构 代理人
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