IODP SEDIS - Thesaurus -

oil wells
NT	abandoned oil wells
RT	petroleum engineering
	fluid injection
	observation wells
	reinjection wells
	oil and gas fields
	petroleum
	gas injection
SN	Used for both oil and gas wells. For large-scale geologic and economic studies of well fields, oil and gas fields is used. Indexed with petroleum engineering OR pollution if applicable. Added to Thesaurus in 1998.