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|View History: Annual Download Data (XLS File)                                                                  
|View History: Annual                                                                                            
|View History: Annual                                                                                            
|View History:                                                                                                   
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|Colorado Nonassociated Natural Gas, Wet After Lease Separation, Reserves Revision Increases (Billion Cubic Feet)
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|Colorado Nonassociated 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 396   
|1980's                                                                                                                            | 239    | 118    | 307    | 146    | 138    | 365    | 346    | 292    | 446    | 410   
|1990's                                                                                                                            | 181    | 638    | 695    | 866    | 663    | 534    | 611    | 987    | 1,658  | 2,727 
|2000's                                                                                                                            | 1,591  | 1,882  | 1,929  | 2,068  | 1,455  | 2,065  | 981    | 3,823  | 3,154  | 1,661 
|2010's                                                                                                                            | 2,985  | 2,522  | 1,727  | 3,990  | 2,334  | 1,277  | 1,222  | 1,965  | 1,719  | 1,776 
|2020's                                                                                                                            | 1,065  | 1,534  |        |        |        |        |        |        |        |       
|- = 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