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|View History: Annual Download Data (XLS File)                                                       
|View History: Annual                                                                                 
|View History: Annual                                                                                 
|View History:                                                                                        
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|Pennsylvania Natural Gas, Wet After Lease Separation Reserves Revision Increases (Billion Cubic Feet)
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|Pennsylvania 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 34    
|1980's                                                                                                                            | 23     | 70     | 125    | 137    | 277    | 188    | 203    | 109    | 121    | 126   
|1990's                                                                                                                            | 167    | 88     | 136    | 177    | 316    | 95     | 244    | 522    | 219    | 645   
|2000's                                                                                                                            | 419    | 202    | 331    | 242    | 660    | 234    | 186    | 327    | 658    | 671   
|2010's                                                                                                                            | 2,914  | 7,127  | 5,496  | 7,224  | 8,715  | 11,021 | 8,086  | 13,218 | 4,440  | 4,718 
|2020's                                                                                                                            | 1,774  | 2,963  |        |        |        |        |        |        |        |       
|- = 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