Successful Life Extension Upgrade for Work-Class ROV

By Phoebe Grinter / 26 Aug 2021

Forum Energy Technologies, Inc. (FET) has been awarded a contract to provide a life extension (Lext) upgrade on one of its Perry ST200 Trencher Remotely Operated Vehicles (ROVs) for a Western Hemisphere telecommunications equipment company.

The enhanced asset will support the installation and maintenance of subsea cables that are a vital component of an international communications network.

FET Perry ST200 Trencher


This project marks FET’s second life extension upgrade for an ST200 trencher and follows on from the successful sea trial of the first upgrade last year.

FET’s Lext service will provide ROV operators with a cost-effective solution to ageing subsea vehicles and technology obsolescence by increasing the asset’s life by more than a decade in some cases.

As part of the work scope, FET will replace all obsolete components and associated parts within the control system with the latest evolution in control system hardware and software. The upgrade will provide increased reliability and improved support while minimizing downtime. 

The latest Lext upgrade is based on the newest developments in work-class ROV and trencher technology. These vehicles feature significantly enhanced performance across the full range of demanding intervention, survey and trenching tasks without compromising the reliability of the original Triton vehicles.

“We recognised the opportunity to provide a more cost-efficient solution to ageing vehicles while still delivering the high quality, robust assets that FET is renowned for,” said Kevin Taylor, FET’s Vice President – Subsea Vehicles. 

“This award underlines our ongoing commitment to delivering new and innovative technological solutions to the subsea industry across the blue economy.

“This is the second life extension upgrade for this client in the last 12 months and it’s fantastic to see customers continue to recognise the reliable performance our trenchers deliver and the operational sustainability the Lext service provides.”

The upgrade will be carried out at FET’s facility in Bryan, Texas, using components manufactured at FET’s U.K. facility in Kirkbymoorside, Yorkshire. It is expected to be delivered in the third quarter of 2021.

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Posted by Phoebe Grinter Unmanned Systems Technology’s digital editor and copywriter Phoebe takes a fresh and enthusiastic approach to researching, writing and posting the latest unmanned technology updates, and in managing the UST social channels. Connect & Contact