Thermodynamic properties are important in predicting pipeline operations accurately

02/04/2002
An algorithm has been proposed to estimate pressure drops and flow conditions along single-phase gas and low liquid-content, two-phase-flow natural gas pipelines.The Masjed-I-Soleiman (MIS) to Mahshahr gas pipeline in southwest Iran was used to demonstrate the impact of different design variables on liquid formation in the line and on line pressure drop.Liquid formationNearly all natural gas contains a heavy fraction that is reported in the gas analysis as a C6+ or C7+ fraction. The fraction normally contains a mixture of compounds and frequently is the determining factor in fixing the dewpoint of the gas.Liquid formation in a natural gas pipeline changes the line pressure drop and flow c...
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