发明名称 Separation Device for Material from a Power Tong on a Drilling Rig Situated on the Sea Bed
摘要 A drilling rig device (1) situated on the seabed (11), where the drilling rig (1) is sealingly enclosed against the surroundings, wherein the pipe (23) coupling unit (24) of the drilling rig (1) is closed, provided with seals (25) against the pipe (23) and connected to a liquid collector and separator (33).
申请公布号 US2009014213(A1) 申请公布日期 2009.01.15
申请号 US20070910868 申请日期 2007.03.16
申请人 HAUGHOM PER OLAV 发明人 HAUGHOM PER OLAV
分类号 E21B15/02 主分类号 E21B15/02
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