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|View History: Annual Download Data (XLS File)                               
|View History: Annual                                                         
|View History: Annual                                                         
|View History:                                                                
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|North Dakota Dry Natural Gas Reserves Revision Decreases (Billion Cubic Feet)
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|North Dakota Dry Natural Gas Reserves Revision Decreases (Billion Cubic Feet)
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|Decade                                                                                                                            | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1970's                                                                                                                            |        |        |        |        |        |        |        | 10     | 18     | 14    
|1980's                                                                                                                            | 18     | 85     | 56     | 113    | 96     | 46     | 51     | 64     | 78     | 52    
|1990's                                                                                                                            | 50     | 33     | 57     | 27     | 24     | 29     | 22     | 17     | 27     | 31    
|2000's                                                                                                                            | 15     | 32     | 20     | 44     | 57     | 27     | 31     | 62     | 75     | 81    
|2010's                                                                                                                            | 722    | 375    | 292    | 640    | 777    | 1,164  | 329    | 271    | 409    | 510   
|2020's                                                                                                                            | 5,156  | 78     |        |        |        |        |        |        |        |       
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 12/30/2022                                                                                                         
|Next Release Date: 12/29/2023