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|View History: Annual Download Data (XLS File)                                                   
|View History: Annual                                                                             
|View History: Annual                                                                             
|View History:                                                                                    
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|Kentucky Natural Gas, Wet After Lease Separation Reserves Revision Decreases (Billion Cubic Feet)
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|Kentucky 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 18    
|1980's                                                                                                                            | 11     | 8      | 21     | 15     | 31     | 27     | 10     | 18     | 19     | 13    
|1990's                                                                                                                            | 19     | 6      | 13     | 32     | 107    | 13     | 12     | 3      | 43     | 43    
|2000's                                                                                                                            | 80     | 417    | 402    | 174    | 162    | 81     | 22     | 160    | 139    | 797   
|2010's                                                                                                                            | 576    | 678    | 297    | 62     | 50     | 208    | 81     | 29     | 53     | 56    
|2020's                                                                                                                            | 61     | 3      |        |        |        |        |        |        |        |       
|- = 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