Definitions of words and terms used in the gas processing industry.
For questions regarding incorrect/outdated entries or suggestion for adding additional terms, please contact Martin Erne
Light hydrocarbons produced as a vapor from an oil reservoir.
The pressure exerted on the earth by the earth's atmosphere. A pressure of 760 mm of mercury, 29.92 inches of mercury, or 14.696 psia is used for some measurements.
The pressure held on a piece of equipment or a system through which a fluid (gas and/or liquid) is flowing.
A unit of liquid volume measurement which in the US petroleum industry equals 42 U.S. liquid gallons. Other applications may define different volumes for a barrel, such as 55 U.S. liquid gallons in the chemical industry.
A container that is controlled to regulate the temperature of any system placed in or passing through it.
An abbreviation of "billion cubic feet." In the United States, a billion is a thousand million, or 109.
A gas phase in a vessel above a liquid phase. The purpose may be for protecting the liquid from air contamination, for reducing the hazard of detonation, or for pressuring the liquid. The source of the gas is external to the vessel.
A gas stored on top of a liquid to create a barrier between a liquid and the surrounding air.
To remove or drain liquid, gas, or other contents at a slow rate from a piece of equipment or pipe.
A small tank in which liquids are accumulated and periodically drained by applying gas or air pressure above the liquid level.
The act of partially or fully emptying or depressurizing a vessel or pipeline. May also refer to the discarded material.