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Montana Crude Oil Reserves Revision Decreases (Million Barrels) | |||||
Decade | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9 |
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1970's | 5 | 15 | 10 | |||||||
1980's | 9 | 15 | 14 | 14 | 21 | 15 | 34 | 12 | 14 | 19 |
1990's | 10 | 21 | 14 | 12 | 9 | 11 | 3 | 8 | 13 | 94 |
2000's | 15 | 19 | 9 | 8 | 32 | 23 | 35 | 35 | 93 | 47 |
2010's | 44 | 51 | 38 | 58 | 44 | 114 | 57 | 4 | 38 | 36 |
2020's | 115 | 14 |
- = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
Release Date: 12/30/2022 |
Next Release Date: 12/29/2023 |