Volumetric flowrate of dry gas measured at separator.
Usually produced from subsurface gas phase and oil phase .
It usually requires additional processing before taking commercial form of the Natural Gas.
For volatile oil fluid model the gas surface flowrate
is related to gas sandface flowrate LaTeX Math Inline body q_G
and oil sandface flowrate LaTeX Math Inline body q_g
as (see derivation): LaTeX Math Inline body q_o
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