A method of converting a subsea laying system of a surface vessel from a laying mode to an abandonment or recovery mode comprises clamping at least one tubular sleeve (44) in at least one clamp of the laying system. A winch wire may then run longitudinally through the or each clamped sleeve when suspending an elongate subsea element such as a pipe string during abandonment or recovery operations. The sleeve protects gripping pads of the clamp from damage due to clashing with the wire, and so makes it unnecessary to remove the pads in preparation for abandonment or recovery.
Abandonment and recovery of pipelines
2021-02-18
Patent
Electronic Resource
English
Online Contents | 1995