Trelleborg has secured a contract for the supply of floatover equipment for a major offshore oilfield development project in the United Arab Emirates (UAE), the firm announced today (6 March). The contract spans the project’s second of three engineering, procurement and construction (EPC) packages, which comprises the installation of an accommodation platform, a gas treatment platform and a separation platform.
"With three offshore platforms and a broad range of solutions from our oil & gas portfolio required, this is one of the largest scale projects that we have undertaken to date," says JP Chia, engineering manager within the engineered products operation of Trelleborg Offshore & Construction.
As part of this package, Trelleborg recently fabricated and delivered 22 sway fenders, engineered to withstand up to 320-tonne, and six surge fenders, engineered to bear 75-ton per unit, for use across each of the three platforms.
Additionally, Trelleborg delivered tongue grout seals and boat landing systems, which comprise shear fenders, compression fenders and rubstrips. Developed using a specially formulated elastomeric compound and with a displacement capacity of 1600mm, the shear bearings used within the boat landing systems are the largest ever produced globally, according to Trelleborg.
Trelleborg’s floatover fenders are used to limit the motion of a topside transport barge within the confines of a jacket slot during the floatover mating operation. This reduces the transport barge's impact loads on the jacket legs. Each fender and component was designed, fabricated and tested at Trelleborg’s Singapore facility, as the huge dynamic loads that needed to be accounted for at the installation site could only be replicated using its state-of-the-art test press machine, which has a load capacity of 18,300-tonne and weighs in at 600-ton itself.
Traditionally mounted onto the leg can, the tongue grout seals delivered to the project are custom designed and are secured directly onto a pile. Trelleborg’s tongue grout seals close the gap between the jacket and the pile so that grout can be inserted to ensure a solid and stable connection during jacket installation process.
Trelleborg’s boat landing systems are used to absorb the kinetic energy of a berthing vessel, thus preventing damage to the vessel and the platform jacket during the production phase.
In 2017, Trelleborg will also supply the project with 22 leg mating units.
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