دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a paraffin hydrocarbon, C4H10 , that is a gas in atmospheric conditions but is easily liquefied under pressure. It is a constituent of liquefied petroleum gas. See commercail butane, field-grade butane, normal butane.

a four carbon chain alkane, may be a liquid in the reservoir, but vaporizes as pressure is released. Part of the natural gas liquid components.