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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 Decreases (Billion Cubic Feet)
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|Colorado Nonassociated Natural Gas, Wet After Lease Separation, Reserves Revision Decreases (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                                                                                                                            |        |        |        |        |        |        |        |        |        | 236   
|1980's                                                                                                                            | 182    | 285    | 345    | 637    | 139    | 289    | 260    | 249    | 185    | 214   
|1990's                                                                                                                            | 323    | 161    | 259    | 398    | 230    | 289    | 252    | 463    | 404    | 1,565 
|2000's                                                                                                                            | 362    | 1,530  | 986    | 826    | 2,233  | 1,499  | 1,536  | 584    | 3,092  | 4,039 
|2010's                                                                                                                            | 3,763  | 2,808  | 4,579  | 2,158  | 5,019  | 4,230  | 1,975  | 1,262  | 3,382  | 2,351 
|2020's                                                                                                                            | 2,236  | 2,584  |        |        |        |        |        |        |        |       
|- = 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