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Standard for Converting Mass of Natural Gas Liquids or Vapors to Equivalent Liquid Volumes

GPA 8173-17

This standard prescribes a method for calculating liquid volumes at equilibrium pressures and at temperatures of 60°F, 15°C, and 20°C from the mass of a natural gas fluid (liquid or vapor) measured at operating conditions, in conjunction with a representative compositional analysis and published values for each component’s molar mass and absolute density.

GPA Midstream and API (American Petroleum Institute)

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