公开(公告)号：EP3394383A1

公开(公告)日：2018-10-31

申请号：EP16879442.8

申请日：2016-11-28

申请人： 4Subsea AS

发明人： BERENTSEN, Einar ,  WICKMANN, Carl Olav ,  SOLBERG, Eirik A. ,  TVEDT, Henrik

IPC分类号： E21B17/01 ,  E21B47/00 ,  G01F17/00 ,  G01F22/02 ,  G01M3/28

CPC分类号： E21B47/06 ,  G01F22/02 ,  G01M3/283

摘要： The present invention is related to integrity monitoring of an annulus free volume in a flexible riser. More specifically, the invention is related to a portable arrangement for automatic determination of the annulus free volume of a flexible riser. The invention is also related to a method of determination of an annulus free volume in a riser, by use of the portable automated unit.