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/ 15 Jun, 2022
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Offshore contract hooked

Leading Norwegian geosciences company PGS has just taken delivery of 20 advanced tow hooks from Henriksen AS for use by its fleet of geo-seismic survey support vessels.

The PGS workboats may be launched from any of the company’s six survey ships and are used to deploy and service seismic streamers being towed, deployed anywhere from Brazil and the North Sea to Norway and the Asia Pacific regions. The hooks are now playing an important part in enabling the boats to recover, tow and release the streamers while minimising risks to their crews. The hooks have been designed by Henriksen AS to introduce a level of towing safety that is usually only available for much larger towing vessels such as tugs and offshore support vessels.

The Henriksen towing hook is important because it features a quick release facility that can be activated by any crew member working on deck or in the wheelhouse. If a dangerous situation develops unexpectedly, a manual cable can be used to release the tow immediately, even while it is still under load.

The hook has been designed for users at the lighter end of the towing spectrum and is available in three versions for use with loads from two a half, five and ten tonnes. Each version is certified as being capable of towing loads up to six times greater than its designated strength which makes it an important asset for any working vessel that is routinely engaged in towing operations.

The hooks delivered to PGS have a two and a half tonne towing capacity which is considered ideal for the loads usually towed by the company’s work boats. Pre-implementation testing, as part of Henriksen’s internal qualification process, saw very positive feedback from crews with comments that the product really meets the needs for their operations.

The Henriksen towing hook is manufactured in high quality stainless steel and has a swivel mechanism that enables it to take and release loads from any direction or angle. Because the hook is a disc type it has the advantage of being able to absorb the sudden release energy from the tow line without stressing the hook or its mounting. The hook can be used with wire, fibre ropes or steel rings and has been developed to introduce a higher standard of manufacturing and materials quality than has previously been available for the marine sector.

Certified under DNVGL- ST- 0378 regulations, the Henriksen towing hook requires virtually no maintenance.  Henriksen test and recertify the hooks every five-years to ensure that it has a long working life.

Exhibitor; Henriksen AS
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