Large Floating Structure with Free-Floating, Self-Stabilizing Tanks for Hydrocarbon Storage

Jian Dai, Kok Keng Ang, Jingzhe Jin, Chien Ming Wang, Øyvind Hellan and Arnstein Watn
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Jian Dai: Department of Marine Technology, Norwegian University of Science and Technology, 7491 Trondheim, Norway
Kok Keng Ang: Department of Civil and Environmental Engineering, National University of Singapore, Singapore 117576, Singapore
Jingzhe Jin: SINTEF Ocean, 7052 Trondheim, Norway
Chien Ming Wang: School of Civil Engineering, University of Queensland, St Lucia, QLD 4072, Australia
Øyvind Hellan: SINTEF Ocean, 7052 Trondheim, Norway
Arnstein Watn: SINTEF, 7465 Trondheim, Norway

Energies, 2019, vol. 12, issue 18, 1-30

Abstract: Hydrocarbon is a major source of energy for sustainable development. Storage of hydrocarbon products, however, requires a significant amount of land space to land-scarce countries like Singapore. This paper presents an alternative way of storing hydrocarbon in Singapore coastal waters through the innovative design of a floating hydrocarbon storage facility. The design comprises free-floating and self-stabilizing tanks enclosed by barges that form a floating hydrocarbon storage facility. The tanks are made of prestressed concrete and they are designed to be self-stabilized when floating in the sea water. Owing to the lack of available design guidelines, design requirements on the stability and motion criteria for floating storage tanks are developed based on a review of existing codes of practice and design specifications for both onshore tanks and offshore vessels. A comprehensive study on the hydrostatic performance of various proposed floating tank design concepts with different storage capacities is carried out. This paper aims to give design recommendations on the tank’s storage capacity and dimensional aspect ratios that fulfill the recommended stability requirements and motion criteria.

Keywords: hydrocarbon storage; floating storage tank; self-stabilizing; floaters (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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