发明名称 HANDS FREE GOOSENECK WITH ROTATING CARTRIDGE ASSEMBLIES
摘要 A gooseneck assembly having a body disposed circumferentially about a portion of a riser string. A stab member is inwardly radially extendable relative to the body and engages a receptacle disposed on the riser string. A cartridge assembly engages the stab member and has a flexible hose coupling that is rotatable relative to a central axis of the stab member. The coupling is in fluid communication with the receptacle via the stab member. The assembly includes an actuator that is operable to rotate the flexible hose coupling relative to the central axis of the stab member.
申请公布号 US2014083711(A1) 申请公布日期 2014.03.27
申请号 US201314031723 申请日期 2013.09.19
申请人 NATIONAL OILWELL VARCO, L.P. 发明人 SPRINGETT FRANK;TISDALE GEORGE;CANNELL JOHN;GAUNTT STEPHEN B.;TAYLOR MATTHEW
分类号 E21B17/08;E21B17/01 主分类号 E21B17/08
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