公开(公告)号：US20220373123A1

公开(公告)日：2022-11-24

申请号：US17755300

申请日：2020-10-26

申请人： VETCO GRAY SCANDINAVIA AS

发明人： Steinar Lindemann HESTETUN ,  Jon GUNDERSRUD ,  Ole Bjorn HJORTH-JOHANSEN

IPC分类号： F16L55/46 ,  B08B9/055

摘要： The present invention concerns a pig launcher comprising a tubular pig housing holding several pigs in line. A main connector is connectable to a fluid flow line at an end of the tubular pig housing. A kicker valve is provided for each pig and includes a control pressure inlet, a flow inlet and a flow outlet. A kicker valve control pipe is connected each of the kicker valves and to a kicker system connector. A kicker header is connected to the flow inlet of each of the kicker valves. A kicker branch pipe is connected between each of the kicker valves and the kicker branch pipe inlet for each of the number of pigs.