from grapho- + -oil + -logie-logy: inference of future production from an oil production profile. The theory underlying graphoilogy is that production profile is an expression of limited oil reserves; hence, a systematic analysis of the way production profiles are shaped can reveal traits of actual ressources.
Hubbert, M. King. (1956)
Tuesday, October 02, 2007
Chart of the Day
Sources: oil supply from the EIA (crude oil + condensate); proven reserves, oil prices and domestic consumption from BP statistical review (2007); population from the UN; oil discoveries from IHS.