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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 Dry Natural Gas Reserves Revision Decreases (Billion Cubic Feet)
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|West Virginia Dry Natural Gas 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                                                                                                                            |        |        |        |        |        |        |        | 63     | 72     | 68    
|1980's                                                                                                                            | 100    | 108    | 184    | 104    | 198    | 471    | 177    | 134    | 95     | 140   
|1990's                                                                                                                            | 91     | 174    | 75     | 60     | 137    | 115    | 89     | 80     | 180    | 260   
|2000's                                                                                                                            | 390    | 279    | 250    | 306    | 256    | 76     | 188    | 359    | 444    | 865   
|2010's                                                                                                                            | 1,075  | 759    | 2,162  | 2,547  | 4,249  | 13,515 | 4,619  | 4,194  | 6,206  | 6,837 
|2020's                                                                                                                            | 6,562  | 2,521  |        |        |        |        |        |        |        |       
|- = 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