From Longman Dictionary of Contemporary Englishcoal/oil/gas fieldcoal/oil/gas fieldTPGa large area of land where coal, oil, or gas is found North Sea oil fields → field
Examples from the Corpus
coal/oil/gas field• The downturn in the energy industry dragged on so long that workers drifted away and oil field equipment became outdated.• A third appraisal of this potentially significant heavy oil field will be drilled in 1993.• We do know that most coal fields began life as swamps about 300 million years ago in the Carboniferous period.• North Shields became the export base for much of the South East Northumberland coal field.• A slim slice of those revenues has always been cut for the communities in the oil fields, local politicians say.• For many residents of the oil fields, Pemex executives seem little different from the foreign overlords they replaced.• Moreover there are indications that in this gas field a secondary fracture porosity may exist. 