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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 Proved Reserves (Billion Cubic Feet)
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|North Dakota 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 485   
|1980's                                                                                                                            | 594    | 654    | 696    | 673    | 643    | 650    | 610    | 578    | 593    | 625   
|1990's                                                                                                                            | 650    | 533    | 567    | 585    | 568    | 518    | 512    | 531    | 501    | 475   
|2000's                                                                                                                            | 487    | 495    | 524    | 497    | 465    | 508    | 539    | 572    | 603    | 1,213 
|2010's                                                                                                                            | 1,869  | 2,652  | 3,974  | 6,081  | 6,787  | 7,348  | 8,611  | 10,376 | 12,174 | 13,083
|2020's                                                                                                                            | 8,563  | 11,359 |        |        |        |        |        |        |        |       
|- = 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