Předmět:	Energy industries Petroleum industry Gas industry Petroleum Natural gas Gas wells *Oil wells
Zdroj:	Monthly Energy Review. Apr2004, p81-86. 6p. 3 Charts, 6 Graphs.
Abstrakt:	Presents statistics pertaining to crude oil and natural gas resource development in the United States as of March 2004. Rotary rig count; Total number of rigs in operation; Total footage drilled; Number of exploratory and development crude oil and natural gas wells drilled; Number of dry holes drilled; Service rigs active; Number of seismic crews active.
Databáze:	GreenFILE
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