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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 Adjustments (Billion Cubic Feet)
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|Pennsylvania Natural Gas, Wet After Lease Separation Reserves Adjustments (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                                                                                                                            |        |        |        |        |        |        |        |        |        | 690   
|1980's                                                                                                                            | -590   | 228    | 60     | 516    | -550   | -111   | -36    | 166    | 487    | -366  
|1990's                                                                                                                            | 192    | 43     | 32     | 191    | -18    | -239   | 138    | 63     | -11    | -9    
|2000's                                                                                                                            | -211   | 9      | 206    | 313    | -188   | 187    | -117   | 182    | -200   | 64    
|2010's                                                                                                                            | -357   | -231   | -287   | 769    | 1,347  | 3,229  | -616   | -679   | 3,962  | 87    
|2020's                                                                                                                            | -3,104 | -519   |        |        |        |        |        |        |        |       
|- = 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