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|View History: Annual Download Data (XLS File)                                                                       
|View History: Annual                                                                                                 
|View History: Annual                                                                                                 
|View History:                                                                                                        
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|West Virginia Nonassociated Natural Gas, Wet After Lease Separation, Reserves Revision Increases (Billion Cubic Feet)
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|West 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
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1970's                                                                                                                            |        |        |        |        |        |        |        |        |        | 115   
|1980's                                                                                                                            | 189    | 131    | 166    | 165    | 277    | 512    | 347    | 131    | 252    | 148   
|1990's                                                                                                                            | 234    | 195    | 159    | 221    | 142    | 219    | 296    | 159    | 305    | 311   
|2000's                                                                                                                            | 670    | 330    | 460    | 182    | 685    | 661    | 308    | 318    | 400    | 392   
|2010's                                                                                                                            | 1,055  | 1,214  | 1,733  | 2,159  | 2,342  | 891    | 2,025  | 2,283  | 2,034  | 2,276 
|2020's                                                                                                                            | 1,413  | 2,380  |        |        |        |        |        |        |        |       
|- = 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