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|View History: Annual Download Data (XLS File)                                                                      
|View History: Annual                                                                                                
|View History: Annual                                                                                                
|View History:                                                                                                       
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|Pennsylvania Nonassociated Natural Gas, Wet After Lease Separation, Reserves Revision Increases (Billion Cubic Feet)
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|Pennsylvania Nonassociated 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 33    
|1980's                                                                                                                            | 21     | 68     | 122    | 132    | 274    | 186    | 202    | 105    | 120    | 119   
|1990's                                                                                                                            | 166    | 87     | 135    | 177    | 315    | 90     | 230    | 512    | 213    | 616   
|2000's                                                                                                                            | 358    | 184    | 324    | 229    | 656    | 228    | 183    | 318    | 650    | 668   
|2010's                                                                                                                            | 2,904  | 6,971  | 5,466  | 7,002  | 8,604  | 11,016 | 7,928  | 13,211 | 4,438  | 4,718 
|2020's                                                                                                                            | 1,768  | 2,913  |        |        |        |        |        |        |        |       
|- = 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