Absence of hydrogen sulfide, h2s.
Oil containing little or no sulfur, especially little or no hydrogen sulfide.
The deterioration of metal caused by contact with carbon dioxide in water.
Containing or caused by hydrogen sulfide or another acid gas (e.g., sour crude, sour gas, sour corrosion).
Oil containing hydrogen sulfide or another acid gas.
Gas containing an appreciable quantity of hydrogen sulfide and/or mercaptans.
A wellbore or formation known to contain hydrogen sulfide gas.
» Find the definition of Sweet in Wikipedia.