CUTTING TOOL AND METHOD FOR CUTTING AN UMBILICAL

摘要

A cutting tool (10, 20) and a method for cutting an umbilical (1 ) between preferably a subsea production and processing plant and a control room on shore or on a platform in connection with repair of a subsea umbilical (1 ). The cutting tool (10, 20) is arranged on and operated by a remote-controlled subsea vessel or another tool carrier (6). The cutting tool (10, 20) comprises: a fixing device (8) for connection to the remote-controlled subsea vessel or tool carrier, a hydraulic unit (11 , 21), comprising a hydraulic motor, and a diamond wire (12, 22) that is connected to and continuously driven by the hydraulic motor, whereby the diamond wire (12, 22) will successively cut through all the layers and components of the umbilical (1 ) until it has been completely cut off.