MacGregor Provides Subsea Crane for ‘Island Intervention’

MacGregor, part of Cargotec, has won a contract to deliver a 250-tonne SWL active heave-compensated (AHC) subsea crane for the 120m construction vessel, Island Intervention. The crane was ordered by Marine Procurement Ltd, part of the US company Edison Chouest Offshore.

An existing vessel operated by the US/Norwegian partnership between Edison Chouest Offshore and Island Offshore requires greater lifting capability; a MacGregor 250-tonne SWL AHC subsea crane fulfils the upgrade requirements. Island Intervention is currently operating in the North Sea for the US/Norwegian partnership between Edison Chouest Offshore and Island Offshore. The vessel works in the offshore construction market and was delivered by Norwegian yard Ulstein Verft in 2011; its current lifting capacity is 140 tonnes.

“The vessel simply needs a bigger crane for the jobs that it undertakes,” says Frode Grøvan, Director, Sales and Marketing for Advanced Load Handling. “The order confirms the trend that we see of subsea modules getting larger and heavier, therefore requiring operators to equip their vessels with ever more capable cranes.”

“At MacGregor, we have the expertise necessary to ensure that retrofit projects like this run smoothly and successfully, with downtime kept to a minimum.”

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Huisman to Deliver Well Intervention System for Helix’s Q7000

Huisman, a Dutch specialist in lifting, drilling and subsea solutions, has secured a new contract from Helix Energy Solutions Group, Inc. for the delivery of a Well Intervention System onboard Helix’s new build Semi submersible “Q7000”.

The system, which is based on Huisman’s proven Multi Purpose Tower (MPT) design, will be built by the Huisman production facility in China.

The fully integrated 800mt Well Intervention System will be capable of handling the Intervention stack, the high pressure riser and other components. The Huisman Multi Purpose Tower has the same functionality as a normal derrick but offers improved accessibility to the well center, which allows for new improved handling procedures that increase efficiency and safety. The superior accessibility to the well center and the small footprint of the MPT are ideally suited for well intervention and subsea installation services. Subsea equipment can be skidded into the well center from three sides, offering enhanced flexibility.

The active heave compensation hoist system of the MPT provides excellent means for safe landing of equipment at the seabed while the passive heave compensation system provides a safe and redundant means to supply top tension to the risers. A guide trolley, travelling the entire length of the tower, guides the subsea modules during lifting operations. The system also features multiple transfer hatches that can be used to move equipment into the well center, and a skiddable work floor covering the moonpool flush with main deck.

The skiddable work floor allows large subsea modules to be deployed, without the need for a raised work floor. When large objects need to pass the moonpool the work floor can be skidded aside. In closed position, the work floor is flush with the main deck, which significantly reduces HSE risks and improves equipment handling on deck.

In addition to the Well Intervention System Huisman will also supply a 150mt Knuckle Boom Crane and a 160mt Pedestal Mounted Crane. Previous orders from Helix, amongst others, the Multi Purpose Tower onboard the “Q4000”, “Well Enhancer” as well as the cranes for the “Q4000” and “Q5000”.

Press Release, October 09, 2013

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Huisman to Build 500mt Yard Crane and 150mt Flexlay System for Technip (France)

Huisman, the worldwide specialist in lifting, drilling and subsea solutions, has secured new contracts with Technip, a world leader in project management, engineering and construction for the energy industry, for a 500mt Yard Crane and a 150mt Flexlay System.

Both the crane and the pipelay system will be designed and constructed by the Huisman facilities in the Netherlands and the Czech Republic. Previously, Huisman delivered the installation equipment onboard Technip’s flagship deepwater pipelay and subsea construction vessel, “Deep Blue”.

The 500mt Yard Crane is the third crane of this type built by Huisman, however the first to be used for onshore purposes. This state-of-the-art crane derives from Huisman’s many years of experience in the design, fabrication and service of heavy lifting equipment. The full revolving crane combines unique technical features, such as a full electric variable frequency drive system, a low overall construction weight and a small minimum operating radius. Furthermore all the major equipment, such as the hoist winches, is installed inside the enclosed crane house. These technical features result in a low power consumption, lower operational costs and maximum operability. The crane will be installed, commissioned and tested at Technip’s Flexi France facility in Le Trait, France, mid-2013.

The 150mt Flexlay System will be designed and built for the installation of flexible pipelines. The system can be separated into two modules, allowing for easy installation onboard. A definite first for a Flexlay System of this size is the two openable and retractable 75mt tensioners which allow for safe and efficient installation of large subsea infrastructure components such as umbilicals, risers and flowlines. The system’s deepwater lowering function allows for installation in up to 3,000m water depth. Delivery of the 150mt Flexlay system is scheduled for the end of 2013.

Huisman currently has a number of cranes in production, varying from 300mt to 4,000mt, and a 5,000mt Offshore Mast Crane is currently being finalized. Pipelay systems currently under construction include Multi-lay Systems for the Aegir and a new build vessel for Ezra, a Flexlay System for the newest Subsea 7 vessel and the S-lay System for the Seven Borealis.

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Croatia: Viktor Lenac to Convert SHCV Sampson into Crane and Pipelay Vessel

Viktor Lenac Shipyard has been recently awarded a contract for the conversion of the vessel SHCV “SAMPSON” (managed by Cyprus’s „VShips“ and Great Britain’s „Zafiro Marine“) by “CARVAL INVESTORS”, a leading global alternative investment manager.

The existing vessel is an offshore gas and oil field installation vessel, built in 2010. She is 180 m long and 32 m wide, carrying a crane of 1.600 ton capacity. “SAMPSON” will be converted into a crane and pipelay vessel, one more conversion on Viktor Lenac’s respectable reference list of complex projects in conversion and offshore among which Helix Producer I, Seminole, Kommandor 3000 and others, establishing its position as one of the few specialized shipyards for ship conversions and gas platform construction in the entire region of the Mediterranean.

Six new Diesel generators (2200 kW each) will be installed in two independent engine rooms. New ship systems will be installed with more than 40 tons of piping. Two new thrusters will be installed i.w.o. existing fresh water tanks. HiPAP for dynamic positioning will be relocated in newly built structural trunks. New A&R winch room will be built and outfitted i.w.o. existing hold no.1.

Complete pipe laying equipment (tensioners, track supports, conveyors, pipe loader etc.) will be installed with hydraulic systems on main deck. A new pipe lay tunnel (300 t) and A-frame structure (276 t) will be built and installed. A new stinger structure (390 t) for laying offshore pipelines will be built.

The existing ship systems will be modified to accommodate new equipment, propulsion and power generation.

Two engine rooms, two switchboard rooms and two thruster rooms will be outfitted and HVAC system will be installed in new ship spaces.

More than 150 km of cables will be installed in total.

The superstructure will undergo considerable modification including gym, sauna, swimming pool etc.

Original Article

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