Schematic process flow diagram of a typical facility for processing raw natural gas to produce pipeline sales gas.

Legend:

•      Located at gas wells
•      Located at gas processing plant
• Red indicates final sales products
• Blue indicates optional unit processes available

Notes:

• Condensate is also called natural gasoline or casinghead gasoline.
• "Pentanes +" refers to pentanes and heavier hydrocarbons, and are also called natural gasoline.
• "Acid gases" are hydrogen sulfide and carbon dioxide.
• PSA is Pressure Swing Adsorption.
• NGL is Natural Gas Liquids.
• Sweetening processes remove mercaptans from the NGL products.