Vapor-liquid equilibrium K values for the components of natural gas and condensate at high pressures are used by reservoir engineers in making condensate depletion calculations and by process engineers in designing hydrocarbon separation facilities for the gas and condensate production.The natural gas-condensate system is a multicomponent mixture that is difficult to break down into components. Natural gas compositions can usually be characterized by the names and amounts of specific compounds (that is, hydrocarbons and related gases, such as nitrogen and car-A. J. Klekers is with Celanese Company, Corpus Christi, Texas.
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