ngl definition gas oil
Source: U.S. Energy Information Administration, Bentek Energy LLC. Natural gas liquids (NGLs) are hydrocarbonsâin the same family of molecules as natural gas and crude oil, composed exclusively of carbon and hydrogen. Ethane, propane, butane, isobutane, and pentane are all NGLs (see table above). There are many uses for NGLs, spanning nearly all sectors of the economy.