|                                                                                                     
|-----------------------------------------------------------------------------------------------------
|                                                                                                     
|View History: Annual Download Data (XLS File)                                                       
|View History: Annual                                                                                 
|View History: Annual                                                                                 
|View History:                                                                                        
|                                                                                                     
|North Dakota Natural Gas, Wet After Lease Separation Reserves Revision Increases (Billion Cubic Feet)
|                                                                                                     
|                                                                                                     
|North Dakota Natural Gas, Wet After Lease Separation Reserves Revision Increases (Billion Cubic Feet)
|                                                                                                     

|Decade                                                                                                                            | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1970's                                                                                                                            |        |        |        |        |        |        |        |        |        | 32    
|1980's                                                                                                                            | 56     | 40     | 53     | 134    | 69     | 134    | 65     | 95     | 136    | 86    
|1990's                                                                                                                            | 66     | 57     | 70     | 41     | 82     | 28     | 41     | 63     | 52     | 57    
|2000's                                                                                                                            | 48     | 54     | 88     | 41     | 96     | 55     | 79     | 77     | 70     | 273   
|2010's                                                                                                                            | 950    | 635    | 1,029  | 1,230  | 968    | 1,339  | 1,861  | 1,759  | 1,228  | 1,169 
|2020's                                                                                                                            | 1,991  | 2,291  |        |        |        |        |        |        |        |       
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
|                                                                                                                                 
|Release Date: 12/30/2022                                                                                                         
|Next Release Date: 12/29/2023