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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, Proved Reserves (Billion Cubic Feet)
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|North Dakota Nonassociated Natural Gas, Wet After Lease Separation, Proved Reserves (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                                                                                                                            |        |        |        |        |        |        |        |        |        | 284   
|1980's                                                                                                                            | 355    | 401    | 448    | 416    | 376    | 319    | 317    | 302    | 327    | 312   
|1990's                                                                                                                            | 316    | 290    | 301    | 311    | 293    | 255    | 257    | 274    | 240    | 225   
|2000's                                                                                                                            | 223    | 225    | 209    | 181    | 145    | 165    | 182    | 155    | 119    | 143   
|2010's                                                                                                                            | 152    | 141    | 105    | 91     | 45     | 25     | 141    | 130    | W      | 31    
|2020's                                                                                                                            | 40     | 112    |        |        |        |        |        |        |        |       
|- = 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