Natural gas dew point

Natural gas dew point
is the temperature (at a given pressure) at which a condensed phase (solid or liquid) starts separating from gas. Thus, the gas dew point is the minimum temperature at which the natural hydrocarbon system remains in a single phase gaseous state. With further temperature decrease the first drop (crystal) of the condensate phase escapes from gas. In respect to natural gas, hydrocarbon (hydrocarbon condensate) dew points and water (non-hydrocarbon) dew points are of practical interest. Gas dew points are determined by condensing instruments.

Glossary of Oil and Gas. 2013.

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