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Balltec Ltd., the market leader in the recovery of subsea pipelines and lifting tools, has been working with key industry partners to develop an ROV operable flexible riser recovery tool. The tool was designed to meet industry requirements in order to recover flexible risers and pipelines in a cost effective manner and to reduce the long term environmental impact of subsea infrastructure being left in place on the seabed.
This development work has led to the creation of the Flexible Recovery Tool (FRT), a tool designed to enable long sections of cut risers to be recovered from the seabed without the need for an end fitting / pulling head.
The FRT is designed to be easily modified so that various diameters of riser can be recovered using a single FRT.
Balltec has completed an extensive program of research and development in order to determine the best method for gripping the riser. Subsequent in-house testing using a decommissioned 9 inch ID riser supplied by Equinor resulted in a proof load capability of the prototype tool of 264 mT.