Compositional Analysis

These are conducted in a laboratory so as to obtain better understanding of the gas behavior within the reservoir and as they are produced and the reservoir pressure is reduced.

They include:

  1. Constant Compositional Expansion Tests
    1. Saturation Pressure
    2. Isothermal Compressibility
    3. Compressibility factor
    4. Total hydrocarbon volume as a function of pressure
  2. Differential Liberation Test
    1. Amount of gas in solution
    2. Oil shrinkage as a function of pressure
    3. Evolved gas properties
    4. Oil density as a function of pressure
  3. Separator Tests – conducted to determine the volumetric changes to the reservoir fluid as it passes through the separator onto the storage tank.
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