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BP - Statistical Review charting tool
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Oil R/P ratios - World
This clustered bar chart shows world oil R/P (reserve to production) ratios for alternate years from 1981 to 2005. R/P ratios are measured in years.
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| | Units | 1981 | 1983 | 1985 | 1987 | 1989 | 1991 |
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| World - Oil R/P ratio | Years | 31.64 | 35.21 | 36.73 | 40.97 | 42.93 | 42.2 |
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| | Units | 1993 | 1995 | 1997 | 1999 | 2001 | 2003 |
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| World - Oil R/P ratio | Years | 42 | 41.31 | 40.15 | 41.24 | 41.81 | 42.22 |
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| | Units | 2005 |
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| World - Oil R/P ratio | Years | 40.57 |
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(3) Reserves/Production (R/P) ratio - If the reserves remaining at the end of any year are divided by the production in that year, the result is the length of time that those remaining reserves would last if production were to continue at that level.
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