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|View History: Annual Download Data (XLS File)                                                   
|View History: Annual                                                                             
|View History: Annual                                                                             
|View History:                                                                                    
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|Colorado Natural Gas, Wet After Lease Separation Reserves Revision Increases (Billion Cubic Feet)
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|Colorado 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 406   
|1980's                                                                                                                            | 272    | 143    | 345    | 180    | 171    | 395    | 393    | 362    | 501    | 457   
|1990's                                                                                                                            | 418    | 743    | 754    | 1,027  | 738    | 588    | 854    | 1,004  | 2,006  | 2,875 
|2000's                                                                                                                            | 1,897  | 1,945  | 2,096  | 2,176  | 1,556  | 2,082  | 1,215  | 4,037  | 3,365  | 1,672 
|2010's                                                                                                                            | 3,127  | 2,644  | 2,241  | 4,322  | 3,651  | 1,855  | 2,981  | 3,136  | 2,939  | 2,976 
|2020's                                                                                                                            | 3,163  | 5,905  |        |        |        |        |        |        |        |       
|- = 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