Gas Field
A field containing natural gas, but no oil.

Gas Injection
An enhanced recovery technique in which natural gas is injected under pressure into a producing reservoir through an injection well to drive oil to the well bore and the surface.

Gasoline
The light fuel used to spark ignition engines in cars, motorcycles, etc. Modern gasolines are blends of petroleum liquids that are produced in several different processes and which generally contain additives. Sold primarily under the Conoco, Phillips 66 and 76 brands in the United States and under the Jet brand internationally.

Gathering Lines, Systems
The piping networks installed in oil or gas fields to transport petroleum to a processing plant or bulk shipping point.

Go-devil
A scraper that is run through the pipeline to clear out loose objects and clean the wall of the line. See pig.