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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 Adjustments (Billion Cubic Feet)
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|North Dakota Natural Gas, Wet After Lease Separation Reserves Adjustments (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                                                                                                                            |        |        |        |        |        |        |        |        |        | 14    
|1980's                                                                                                                            | -9     | 45     | -12    | -1     | 32     | -32    | -3     | 2      | -14    | 43    
|1990's                                                                                                                            | 59     | -93    | 56     | 38     | -49    | -4     | 19     | -2     | -29    | -4    
|2000's                                                                                                                            | 16     | 15     | 18     | 25     | -30    | -8     | 20     | 10     | -10    | 58    
|2010's                                                                                                                            | -5     | -15    | -61    | -201   | -20    | 450    | -69    | -152   | 441    | -385  
|2020's                                                                                                                            | 240    | -304   |        |        |        |        |        |        |        |       
|- = 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