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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 Increases (Billion Cubic Feet)
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|North Dakota Dry Natural Gas 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                                                                                                                            |        |        |        |        |        |        |        | 5      | 21     | 29    
|1980's                                                                                                                            | 50     | 36     | 47     | 119    | 61     | 118    | 57     | 83     | 125    | 77    
|1990's                                                                                                                            | 59     | 50     | 61     | 37     | 74     | 24     | 36     | 57     | 47     | 50    
|2000's                                                                                                                            | 43     | 48     | 79     | 36     | 86     | 49     | 70     | 69     | 63     | 243   
|2010's                                                                                                                            | 848    | 570    | 924    | 1,096  | 861    | 1,131  | 1,519  | 1,431  | 1,025  | 992   
|2020's                                                                                                                            | 1,659  | 1,861  |        |        |        |        |        |        |        |       
|- = 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