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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 Adjustments (Billion Cubic Feet)
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|Colorado Natural Gas, Wet After Lease Separation Reserves Adjustments (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                                                                                                                            |        |        |        |        |        |        |        |        |        | -218  
|1980's                                                                                                                            | 181    | 86     | 365    | 397    | -194   | -99    | 85     | -59    | -120   | 218   
|1990's                                                                                                                            | -39    | 653    | -149   | -177   | -159   | 618    | 493    | -533   | -162   | 105   
|2000's                                                                                                                            | -125   | 102    | 202    | -51    | 14     | 21     | 42     | 100    | -74    | 488   
|2010's                                                                                                                            | 646    | 883    | -500   | -230   | 733    | -129   | 3,188  | 4,516  | 18     | -883  
|2020's                                                                                                                            | -819   | -1,867 |        |        |        |        |        |        |        |       
|- = 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