TECH SPOTLIGHT


Subsea Technologies Ltd’s Managing Director Drummond Lawson said: “We knew Trelleborg – being a world-leader in sealing solutions – would be able to solve the challenge of finding a durable and robust seal to work in harmony with our product.


“Not only have they gone above and beyond in meeting expectations of the brief we outlined, but we were also impressed with the service we received throughout the process. We are by no means Trelleborg’s biggest client – but the support we received has been second to none. At every stage of the process a member of the Trelleborg team kept us fully informed from prototype development right through to bringing the product to market.


“This was no easy challenge and without Trelleborg, we would not have been able to produce what we believe to be the first coupler of this size ever to be made with a hydraulically retractable element, which we are certain will create opportunities for our clients beyond just its use in our XR Connector.”


The two inch hydraulically Retractable Subsea Coupler was specifically designed for constant heavy duty operations and works with very small fluid volumes to ensure rapid movement. It is also more than capable of coping with solids laden fluids such as drilling muds and well effluents.


It is pressure balanced in both the extended and the retracted positions, ensuring the coupler will remain in position in the event of hydraulic control system failure.


Above: Trelleborg have helped produce what is believed to be the first coupler of this size to be made with a hydraulically retractable element.


Additionally, it is possible to pressure test to full system working pressure against the retracted coupler without the need for an additional test cap.


When retracted, the coupler stinger is flush with the coupler plate, preventing both dirt ingress and external impact on the retracted coupler from damaging the seals.


The coupler is fully Lloyds design verified and qualified to 3,000m (10,000ft) water depth, rated to 10,000psi hydraulic bore pressure and up to 5,000psi hydraulic function pressure.


It can be used on subsea wellhead connectors, riser connectors, emergency disconnect packages, quick release stab plates and


emergency disconnect points.


Mr Lawson added: “We’ve only just completed the last round of testing and delivered the first coupler and already we have received further orders. Clearly other people can see the benefits that this cutting-edge product will create in their operations and service offerings, enabling our customers to deliver the latest safety and operability enhancements to their clients.”


Trelleborg Sealing Solutions will be exhibiting at SPE Offshore Europe Conference & Exhibition 2017, which takes place in Aberdeen from September 5 to 8, in hall 1, stand 1h81.


www.tss.trelleborg.com


BENDER DEVELOPS MONITOR FOR SUBSEA AND UMBILICAL CABLES below:


Electrical safety solutions specialist Bender has launched new isohR685W-D-B LIM for subsea cable insulation monitoring.


The ISOMETER iso685 is a insulation monitoring device used worldwide in unearthed IT system [AC, AC/DC and DC power supply applications].


Bender has focused on enhancing capability of iso685 with a new generation of insulation monitoring devices which exactly meet the needs of customers within challenging industry sectors.


The latest addition is the isohR685W-D-B, designed specifically for subsea cable monitoring.


The isohR685W-D-B monitors subsea and umbilical cables to provide earlier advance warning of cable degradation and failure. It is designed specifically to meet the needs of the oil and gas industry sector.


According to the company, the isohR685W- D-B continuously monitors cables up to 10GΩ, delivering a huge performance improvement compared to previous versions, and offering very accurate synchronisation of up to 100 isohR685 to limit cross cable disturbance between long parallel cables.


Earlier warning of a developing cable fault gives operators the breathing space to repair/replace and continue extracting from that subsea well.


September 2017 | www.sosmagazine.biz | p47


Bender Develops Monitor for Subsea and Umbilical Cables.


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