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May include minor organic and inorganic chemical substances.
In case the concenration of H2S + CO2 > 5.7 mg / m3 = 4 ppm at STP the gas ic called Sour otherwise it is called Sweet.
See Also
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Natural Science / Physics / Chemistry / Chemical Substance
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Petroleum fluids
[ Dry Gas ] [ Wet Gas ][ Sweet gas ][ Sour gas ]