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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 Decreases (Billion Cubic Feet)
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|Colorado 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 255   
|1980's                                                                                                                            | 192    | 308    | 396    | 681    | 163    | 309    | 292    | 285    | 228    | 229   
|1990's                                                                                                                            | 483    | 192    | 306    | 430    | 351    | 340    | 428    | 901    | 461    | 1,660 
|2000's                                                                                                                            | 374    | 1,564  | 994    | 836    | 2,241  | 1,525  | 1,571  | 598    | 3,142  | 4,224 
|2010's                                                                                                                            | 3,834  | 3,077  | 4,822  | 2,449  | 5,281  | 4,856  | 3,130  | 1,912  | 5,140  | 3,820 
|2020's                                                                                                                            | 6,065  | 4,259  |        |        |        |        |        |        |        |       
|- = 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