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| North Dakota Crude Oil Reserves Revision Increases (Million Barrels) | |||||
| Decade | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970's | 11 | 12 | 16 | |||||||
| 1980's | 25 | 22 | 30 | 54 | 43 | 49 | 31 | 45 | 39 | 36 |
| 1990's | 47 | 30 | 22 | 21 | 39 | 25 | 27 | 71 | 33 | 55 |
| 2000's | 34 | 17 | 52 | 20 | 167 | 26 | 36 | 55 | 103 | 202 |
| 2010's | 672 |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 8/2/2012 |
| Next Release Date: 8/30/2013 |