| Abstract |
The primary objective of this report is to describe and evaluate these different methods. Primary attention is paid to the methods based upon the extrapolation of historical trends, since these are widely used by the analysts concerned about global oil depletion. A second objective is to summarise and evaluate the estimates that have been produced for the global URR of conventional oil and to assess the implications for future oil production. Of particular interest is the relative plausibility of the optimistic and pessimistic estimates and the implications of both for medium-term oil supply. |
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UKERC Publications 
