Abstract
Gathering and transportation pipelines of high sulfur gas field were generally owned with gas-liquid mixed flow, large flow and high velocity turbulent multiphase flow characteristics. Focusing on the gathering system of the Puguang high sulfur gas field, a gas-liquid two-phase erosion risk prediction was carried out based on a flow hydrodynamic numerical model. The shear force was applied to represent erosion characterization of the two-phase turbulent flow. The turbulence intensity was applied to represent characterization of turbulent mass transfer enhancement. Based on the grey relational analysis method and according to online corrosion monitoring data integrated with static corrosion experiment data, the corrosion prediction model of the Puguang gas gathering pipelines was established. The work that was done provided the basis for the transmission system of corrosion monitoring and safety management.
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