Natural gas explained - U.S. Energy Information ...
2021-12-2 · Natural gas is processed for sale and consumption. Natural gas withdrawn from natural gas or crude oil wells is called wet natural gas because, along with methane, it usually contains NGLs—ethane, propane, butanes, and pentanes—and water vapor. Wellhead natural gas may also contain nonhydrocarbons such as sulfur, helium, nitrogen, hydrogen sulfide, and
