Based on the comparisons and evaluations given by many papers, some equations and models for gas and liquid properties, fluid temperature, pressure drop and liquid holdup in oil and gas multiphase pipelines are selected. A program TWOPHS is developed for application to oil and gas gathering pipes. The sensitivities of pressure drop models for horizontal two-phase flow and effects of pipe inclination on pressure loss are studied. Upstream pressure, pipe diameter, flow rate, gas/liquid volumetric flow ratio affect multiphase pressure drop in horizontal and hilly terrain pipes seriously. A new method is proposed, which simplify the undulations of two-phase gathering pipes in desert oil field and long distance multiphase pipelines.
Prediction of pressure drop for multiphase oil-gas flow in hilly terrain pipelines
1997
3 Seiten, 10 Quellen
Conference paper
English
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