Stay Connected

Huisman cranes on order for two subsea vessels

Offshore staff

SCHIEDAM, the Netherlands – Huisman has introduced a range of large offshore cranes, based on the company’s 200- to 400-metric ton (220- to 441-ton) offshore mast crane design.

The new series, suited to ultra-deepwater and harsh environment operations, include a 300- to 600-metric ton (330- to 661-tons) active heave compensation (AHC) subsea crane and a 450- to 900-metric ton (496- to 992-ton) AHC subsea crane. Huisman has received two orders from yards in Norway and South Korea.

Main hoist of the new cranes will be outfitted with either a 300-metric ton or 450-metric ton traction winch. A storage winch in the hold of the vessel will maintain the center of gravity as low as possible.

The storage winch can contain 200, 400, or 600 metric tons of wire rope, reeved into two falls to achieve the maximum capacity. Huisman sales manager Gerben Roks said the company decided against single fall following research and operational feedback from clients.

“Besides the obvious handling problems with very large diameter wire ropes, the short life span results in tremendous operational expenditures for the operator,” he added. For this reason, Huisman has developed an anti-twist device to mitigate the risk of twisting of the lower block and wire rope (“cabling”) during subsea lifts in double-fall configuration.

Heave compensation on the main hoist is achieved using a combined active and passive system. The passive part widens the weather window for lifting operations as it reduces the dynamic loading on the crane during splash zone lifts up to 50%.

The active part is designed to maintain effective active heave compensation performance at a low power consumption. Wear and tear on the wire rope is lower than with traditional AHC systems, Huisman claims, as there is no drum crushing or wire rope cut-ins on the winch and the number of sheaves is minimized. All sheaves have a diameter ratio of 25 compared to the wire rope.

VARD shipyard in Norway, owned by Fincantieri, has ordered a 900-metric ton AHC subsea crane for a 161-m (528-ft) long subsea construction vessel for DOF Subsea.

Hyundai Heavy Industries will install a 600-metric ton AHC subsea crane on a new 160-m (525-ft) DP-3 heavy construction and flexible pipelay vessel for Subsea 7.

6/20/2013

Related Articles

Petrobras touts presalt success, looks for more

Jul 2, 2014

In the process of reaching a new presalt oil production output record, Petrobras has reduced the time required to drill wells into the presalt.

Wood Group Kenny wins subsea contract in Ghana

Jul 1, 2014 Wood Group Kenny has been awarded an engineering services contract to support Tullow Ghana Ltd and its partners through the execution phase of the Tweneboa, Enyenra, and Ntomme (TEN) project, offsh...

Subsea 7 takes action to facilitate use of its vessels in US waters

Jul 1, 2014 Subsea 7 SA has moved to facilitate use of its vessels in US waters. The action is designed to enable the company to meet requirements applicable to non-US companies operating vessels in US waters.

EMAS AMC achieves platform installation milestone offshore Thailand

Jul 1, 2014

EMAS AMC has installed 50 platforms for Chevron in the Gulf of Thailand.

BG in talks on Israel-Egypt subsea gas pipeline

Jun 30, 2014

BG International is in negotiations to take gas from the deepwater Leviathan field offshore Israel to Egypt.

Trending News

TGS announces multi-client seafloor sampling and seep studies

Jul 24, 2014

TGS reports two multi-client geochemical seafloor sampling and seep studies, one offshore Canada and the other in the Barents Sea. Sampling locations for both programs were identified, using recently acquired multi-client seismic data.

Second deepwater Liwan pipelay under way offshore China

Jul 24, 2014

Construction vessels have started work offshore China installing a second deepwater production pipeline from the main Liwan 3-1 field to the Liwan shallow-water central platform. 

Albatross top prospect in license offshore Namibia

Jul 24, 2014

Seismic surveys earlier this year in the EL 0037 permit offshore Namibia have identified at least four prospects, according to partner Pancontinental Oil and Gas NL.

Lime exits three offshore Norway licenses

Jul 24, 2014

Hibiscus Petroleum’s joint venture subsidiary Lime Petroleum Norway AS has opted to relinquish three Norwegian North Sea licenses.

OMV spuds exploration well in Maari area offshore New Zealand

Jul 24, 2014

The semisubmersible Kan Tan IV has spudded the Whio-1 exploration well for operator OMV New Zealand in the PEP 51313 permit.

  Offshore
Digital Magazine
Look Inside
Cover
Current Issue

Oil & Gas Jobs

Search More Job Listings >>