公开(公告)号：EP1812679A1

公开(公告)日：2007-08-01

申请号：EP05811288.9

申请日：2005-11-14

申请人： Hunting Cromar Limited

发明人： MCKAY, Frederick Duguid ,  BLACK, Colin Alexander ,  BROWN, Gareth Edward, George

IPC分类号： E21B29/02 ,  E21B29/08

CPC分类号： E21B33/061 ,  E21B29/04

摘要： A device and method for cutting a downhole object, such as a slickline, wireline or tubular is described. The device comprises first (20) and second (22) cutting members each rotatably mounted within a main housing (14) and adapted for contra-rotation. In an embodiment of the invention, the device is provided with a guide assembly (24) for locating the object in a central location of the device, and cuts the object at a single location along the length of the object with a scissor action.