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|View History: Annual Download Data (XLS File)                                                                 
|View History: Annual                                                                                           
|View History: Annual                                                                                           
|View History:                                                                                                  
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|Pennsylvania Associated-Dissolved Natural Gas, Wet After Lease Separation, Proved Reserves (Billion Cubic Feet)
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|Pennsylvania Associated-Dissolved Natural Gas, Wet After Lease Separation, Proved Reserves (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                                                                                                                            |        |        |        |        |        |        |        |        |        | 9     
|1980's                                                                                                                            | 11     | 14     | 14     | 21     | 78     | 67     | 22     | 21     | 8      | 19    
|1990's                                                                                                                            | 23     | 20     | 10     | 8      | 9      | 36     | 47     | 92     | 79     | 96    
|2000's                                                                                                                            | 157    | 168    | 137    | 164    | 125    | 134    | 151    | 130    | 127    | 133   
|2010's                                                                                                                            | 144    | 134    | 125    | 269    | 299    | 147    | 277    | 113    | 149    | 124   
|2020's                                                                                                                            | 99     | 56     |        |        |        |        |        |        |        |       
|- = 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