Oilfield Glossary
Oilfield Glossary
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acid gas

1. n. [Production Facilities]
A gas that can form acidic solutions when mixed with water. The most common acid gases are hydrogen sulfide [H2S] and carbon dioxide [CO2] gases. Both gases cause corrosion; hydrogen sulfide is extremely poisonous. Hydrogen sulfide and carbon dioxide gases are obtained after a sweetening process applied to a sour gas.