In the process of exploitation of oil and gas in deeper water and ultra deep water, the problem of how to guarantee the effective support for work boats is inevitable. This is especially vital for the oilfields in harsh environment several hundreds of nautical miles away from the terrestrial supply center. In order to solve logistic support problem, an ultra large floating system concept arising from the intermediate base was put forward with functions of material reserves, refuge harbor for work boats, and landing pad for helicopters. The ring ultra large floating system with outer diameter of 400 m comprises eight modules and each module has four columns with heavy draft. The wave chamber composed of horizontal perforated double-layer breakwaters is positioned close to the water plane to reduce the reflection and dynamic pressures on the vertical hull. The applicable water depth can exceed 2000 m. This paper describes a physical test for the purpose of evaluating the various functions of ULFS concept.
New Conceptual Style of Ultra Large Floating System
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Liu, J, Zhong, W, Zeng, H, & Shen, K. "New Conceptual Style of Ultra Large Floating System." Proceedings of the ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. Volume 5: Ocean Engineering; CFD and VIV. Rio de Janeiro, Brazil. July 1–6, 2012. pp. 311-318. ASME. https://doi.org/10.1115/OMAE2012-83802
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