Effect of parameters on performance of LNG-FPSO offloading system in offshore associated gas fields

G. Yan and Y. Gu

Applied Energy, 2010, vol. 87, issue 11, 3393-3400

Abstract: Due to the advantages of the flexibility and economics in exploration and production of offshore liquefied natural gas (LNG), the floating production storage and offloading unit for liquefied natural gas (LNG-FPSO) has attracted wide attentions in recent years. The offloading system for LNG transportation from LNG-FPSO to LNG carrier is one of the most important parts in LNG-FPSO. The influences of the main parameters such as the mass flow rate and the height difference of the pipeline. on the performance of LNG offloading in offshore associated gas fields were investigated. A model based on a typical offshore LNG offloading system was first established and simulations were conducted. The governing equations were then used to evaluate the effects of parameters together with the simulation results. It was found that there was an economic mass flow rate for practical design on balance of the cost in pump head and BOG. The height difference of the pipeline must be considered for the increase of required pump head and harms from pressure changes. The effects of other parameters on the performance of LNG transportation such as diameter, equivalent roughness of pipeline and LNG compositions were also discussed.

Keywords: Liquefied; natural; gas; FPSO; Transportation; Parameter; Simulation (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (4)

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