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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 Nonassociated Natural Gas, Wet After Lease Separation, Reserves Revision Increases (Billion Cubic Feet)
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|North Dakota Nonassociated Natural Gas, Wet After Lease Separation, Reserves Revision Increases (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                                                                                                                            |        |        |        |        |        |        |        |        |        | 16    
|1980's                                                                                                                            | 19     | 11     | 14     | 30     | 17     | 12     | 25     | 7      | 60     | 27    
|1990's                                                                                                                            | 12     | 6      | 29     | 6      | 6      | 3      | 14     | 23     | 10     | 7     
|2000's                                                                                                                            | 4      | 4      | 7      | 4      | 9      | 6      | 12     | 13     | 4      | 28    
|2010's                                                                                                                            | 245    | 26     | 1      | 1      | 8      | 1      | 40     | 76     | W      | 2     
|2020's                                                                                                                            | 29     | 0      |        |        |        |        |        |        |        |       
|- = 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