Gas field and gas well
Doscher, Todd M. Formerly, Department of Petroleum Engineering, University of Southern California, Los Angeles, California.
Last reviewed:January 2020
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The term gas field refers to a geographical area which is underlain by one or more commercial reservoirs of petroleum. This commercially valuable gas, primarily methane but with smaller amounts of ethane, propane, and butanes and in some cases containing significant concentrations of carbon dioxide, hydrogen sulfide, and nitrogen, is produced through wells which penetrate subterranean reservoirs, composed of porous rock. The gas in the reservoir may be free or dissolved in crude oil.
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