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|View History: Annual Download Data (XLS File)                                 
|View History: Annual                                                           
|View History: Annual                                                           
|View History:                                                                  
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|Pennsylvania Dry Natural Gas Reserves Estimated Production (Billion Cubic Feet)
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|Pennsylvania Dry Natural Gas Reserves Estimated Production (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                                                                                                                            |        |        |        |        |        |        |        | 52     | 69     | 117   
|1980's                                                                                                                            | 68     | 94     | 102    | 121    | 134    | 123    | 116    | 128    | 162    | 136   
|1990's                                                                                                                            | 160    | 140    | 139    | 138    | 141    | 113    | 132    | 129    | 131    | 130   
|2000's                                                                                                                            | 117    | 114    | 133    | 165    | 155    | 181    | 176    | 183    | 211    | 273   
|2010's                                                                                                                            | 591    | 1,248  | 2,241  | 3,283  | 4,197  | 4,753  | 5,136  | 5,399  | 6,122  | 6,865 
|2020's                                                                                                                            | 7,056  | 7,541  |        |        |        |        |        |        |        |       
|- = 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