Pipeline Retrieval Tool

Pipeline Retrieval Tools facilitate the laydown or recovery of subsea pipelines and are designed for lifting large diameter pipe and heavy loads. The laying of subsea pipelines involves the placement of large diameter tubulars in an environment where extreme forces or motions may result in buckling and flooding of the pipeline. In this event, the damaged pipe section must be recovered and a repair process implemented. The replacement pipe may be tied-in using hyperbaric welding facilities, or the pipeline end may be recovered to the pipe lay vessel for surface repairs.

Pipeline Retrieval Tool

A Pipeline Retrieval Tool provides the connection between the pipeline and the recovery cable required to handle or manoeuvre the pipeline end. The Pipeline Retrieval Tool engages in the pipeline bore to provide a secure but controllable facility for the connection of the retrieval cable.

subseapipelinerecoverytool-h380

Taper grip locks operate on a wedge principle, improving the connection efficiency as the load increases. Once set, this fail-safe mode of operation enables the mechanical connection with the pipeline to remain secure independent of the tool hydraulic activation system. A seal and vent system within the Pipeline Retrieval Tool assembly enables the pipe to be de-watered prior to the lifting operation.

Specification

Size

6” to 48”

Taper Grip Locks

Locks anchor tool

Fail-Safe Design

Lock & seal energised as load increases

Dewatering

Seal & vent system enables dewatering

Related Resources

Pipeline Retrieval Tool | Laydown & Recovery of Subsea Pipelines

Pipeline Retrieval Tool | Laydown & Recovery of Subsea Pipelines

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