A guide for engineers, managers and field supervisors involved in operating natural gas production, treating and transmission, the book combines field experience with technical principles. Topics include: wellhead pressure and gas flow, vapor-liquid separation at the wellhead, wellhead compression, corrosion in gathering systems, gas sweetening using amines, sulfur recovery, dehydration, centrifugal gas compresion, reciprocal gas compresssion, hydrates, gas cooling and condensate recovery.