As large offshore drilling facility, Floating Production Storage and Offloading (FPSO) faces with the risk of oil & gas leakage and subsequent effects (e.g. fire and explosion). In order to assess FPSO gas leakage and subsequent chain effects risk scientifically, a FPSO topsides is analyzed, and Failure Model and Effect Analysis (FMEA) method is applied to find out which equipment has high Risk Priority Number (RPN). The results show that gas washing pry of FPSO in operation phase has high RPN and needs significant attention. In this paper, CFD-model of FPSO topsides is established based on computational fluid dynamics (CFD) theory. The leak rate of gas with specified hole diameter is calculated based on appropriate leak source model according to the actual operating conditions of gas washing pry. Then based on the simulation results diffusion behavior is analyzed, as well as distribution law of gas and the hazardous area of gas of gas washing pry under the leakage conditions. Furthermore, one explosion model is selected, and then damaging over-pressure of explosion on each equipment surface and the variation trend and influence scope of explosion over-pressure are derived to evaluate personnel and equipment risk. Targeted technical measures will be put forward to reduce risk.
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ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering
June 19–24, 2016
Busan, South Korea
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4994-1
PROCEEDINGS PAPER
Risk Evaluation of Explosion in FPSO Based on Failure Model and Effect Analysis
Liping Sun,
Liping Sun
Harbin Engineering University, Harbin, China
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Zhiyou Niu,
Zhiyou Niu
Harbin Engineering University, Harbin, China
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Gang Ma,
Gang Ma
Harbin Engineering University, Harbin, China
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Yang Li
Yang Li
Harbin Engineering University, Harbin, China
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Liping Sun
Harbin Engineering University, Harbin, China
Zhiyou Niu
Harbin Engineering University, Harbin, China
Gang Ma
Harbin Engineering University, Harbin, China
Yang Li
Harbin Engineering University, Harbin, China
Paper No:
OMAE2016-54144, V003T02A065; 8 pages
Published Online:
October 18, 2016
Citation
Sun, L, Niu, Z, Ma, G, & Li, Y. "Risk Evaluation of Explosion in FPSO Based on Failure Model and Effect Analysis." Proceedings of the ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. Volume 3: Structures, Safety and Reliability. Busan, South Korea. June 19–24, 2016. V003T02A065. ASME. https://doi.org/10.1115/OMAE2016-54144
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