Introduction
When a user uses autoRTA, they have the option of enabling adsorbed gas via “Langmuir Isotherm“ as shown below. It also applies to autoFMB for gas wells.
Note:
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Langmuir parameters such as Pressure and Volume. See also Isotherm
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Plot of the isotherm once the inputs VL, PL, and rock density are completed.
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Plot of desorption compressibility ( Sorption Compressibility )
NOTE: In autoRTA, it is currently assumed that initial pressure is equivalent to desorption pressure. That is, free gas already exists in the pores. Pi=Pd
