Profile indicator helps predict pipeline holdup, slugging

An indicator has been developed quantitatively to characterize pipelines based on the propensity of their profiles to induce liquid holdup.The pipeline profile indicator (PI) constitutes an additional engineering tool to be used from conceptual design to operational studies of multiphase pipelines.With PIs, multiphase pipelines can be compared with one another or placed on an empirical scale to evaluate possible operating difficulties at low flow rates.Moreover, preliminary profiles for future pipelines can be made to resemble other pipelines passing over similar terrain and thereby yield realistic calculations at an early stage.Discrepancies in PI value before and after profile simplific...

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