Japan’s FPSO specialist MODEC in December 2020 obtained approval by the American Bureau of Shipping (ABS) for the new offshore repair method for hull structures of floating oil and gas production facilities such as floating production storage and offloading (FPSO) vessels as an original standard repair method.
The new method has been developed jointly with Toray Industries, MODEC said on Wednesday.
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According to the FPSO specialist, difficulties may be encountered from time to time in carrying out adequate maintenance at offshore for hulls of floating oil and gas production facilities that are producing oil and gas at offshore generally for more than 20 years without dry-docking.
If corrosion is left unchecked, the hull strength will fall below the required level, but any work to repair and reinforce the hull that involves the use of open flames will disrupt production, and bringing in the needed equipment and materials is no easy task.
Given onboard crew limits, securing accommodation for the crew members responsible for repairs also presents challenges.
In consideration of such circumstances and aiming at easily conveying equipment and materials to the floating facilities and completing cold repair work by a small number of personnel in a short time, MODEC, in conjunction with Toray, has developed a repair method to restore hull strength to the necessary level by applying an engineering method known as vacuum-assisted resin transfer moulding (VaRTM).
MODEC explained that, with this new method, carbon fibre reinforced plastic (CFRP) can be affixed to the steel material of the hull in those areas whose strength has been compromised by advancing corrosion.
The primary purpose of this repair method is to minimize the impact of repair work on production activity.
Therefore, since this repair method contributes to ensuring the integrity of hull structures of floating oil and gas production facilities, further stable operations and maintenance service of MODEC’s fleet can be expected, the company concluded.
In recent company news, Chinese shipbuilder Cosco Dalian has completed the construction of Carioca MV30 FPSO for MODEC. Cosco officially delivered the 10th FPSO for Modec, the Carioca MV30 , on November 13.
10 days ago
about 5 years ago
MODEC in December 2020 obtained approval by ABS for the new offshore repair method for hull structures of FPSOs as an original standard repair method.
