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|View History: Annual Download Data (XLS File)                                                                  
|View History: Annual                                                                                            
|View History: Annual                                                                                            
|View History:                                                                                                   
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|Virginia Nonassociated Natural Gas, Wet After Lease Separation, Reserves Revision Increases (Billion Cubic Feet)
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|Virginia 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
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1980's                                                                                                                            |        |        | 4      | 46     | 31     | 10     | 4      | 5      | 6      | 16    
|1990's                                                                                                                            | 4      | 2      | 373    | 125    | 568    | 67     | 46     | 75     | 111    | 198   
|2000's                                                                                                                            | 65     | 90     | 127    | 45     | 39     | 163    | 234    | 108    | 26     | 256   
|2010's                                                                                                                            | 658    | 378    | 32     | 137    | 286    | 1      | 184    | 457    | 46     | 22    
|2020's                                                                                                                            | 81     | 243    |        |        |        |        |        |        |        |       
|- = 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