For the deepwater partially-buried pipeline transporting wet natural gas, a mechanistic heat transfer model is developed, and the temperature profile behaviors and corrosion resistant alloy (CRA) length of deepwater pipelines of Liwan3-1 gas field are studied by numerical simulation. The result shows that for a critical temperature of 23 °C, all production flowlines should be used CRA, and the CRA length of the tieback pipeline is recommended to be 1.5 km. There are significant differences of temperature drop between the mechanistic and linear models.
Heat Transfer Modeling and Application of Gas-Liquid Two-Phase Flow in Partially-Buried Pipeline
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Wang, K, & Li, Q. "Heat Transfer Modeling and Application of Gas-Liquid Two-Phase Flow in Partially-Buried Pipeline." Proceedings of the ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. Volume 4B: Pipeline and Riser Technology. Nantes, France. June 9–14, 2013. V04BT04A049. ASME. https://doi.org/10.1115/OMAE2013-11453
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