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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 Natural Gas, Wet After Lease Separation Reserves Extensions (Billion Cubic Feet)
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|North Dakota Natural Gas, Wet After Lease Separation Reserves Extensions (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                                                                                                                            |        |        |        |        |        |        |        |        |        | 41    
|1980's                                                                                                                            | 34     | 78     | 66     | 25     | 31     | 21     | 11     | 6      | 55     | 8     
|1990's                                                                                                                            | 17     | 13     | 20     | 24     | 8      | 2      | 6      | 28     | 28     | 1     
|2000's                                                                                                                            | 4      | 3      | 9      | 6      | 8      | 56     | 34     | 66     | 113    | 450   
|2010's                                                                                                                            | 496    | 638    | 929    | 1,708  | 1,306  | 851    | --     | --     | --     | --    
|2020's                                                                                                                            | --     | --     |        |        |        |        |        |        |        |       
|- = 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