The section of oil-water two-phase flow transmission pipeline with aqueous deposition is a serious part of corrosion,and mastering the laws of aqueous deposition has an important guiding role in the corrosion protection of pipelines.In order to study the influence of water phase accumulation in oil pipelines on pipeline corrosion under different conditions,the flow pattern distribution was simulated under different factors such as water content,inclination angle,and flow rate.The distribution pattern of two-phase flow under different flow rates,inclination angles,and water content was explored.The water phase deposition state was clarified when the flow rate was between 0.3 m/s and 1.3 m/s,and 1%to 10%.It was found that water phase deposition was more severe at an inclination angle of 30°;Summarized three states of oil water two-phase uniform flow zone,oil water stratified zone,and countercurrent sedimentation zone inside the pipeline,and established a table of flow velocity inclination angle sedimentation status under different water content.Through on-site pipeline leakage point distribution verification,the distribution characteristics of hazardous pipeline sections are basically consistent with the simulation results.
关键词
输油管线/油水两相流/积液/腐蚀
Key words
oil pipeline/oil water two-phase flow/effusion/corrosion
维普
万方数据