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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 Adjustments (Billion Cubic Feet)
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|Pennsylvania Nonassociated 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 689   
|1980's                                                                                                                            | -589   | 227    | 61     | 512    | -610   | -107   | -7     | 169    | 496    | -372  
|1990's                                                                                                                            | 184    | 44     | 41     | 192    | -19    | -265   | 135    | 53     | -2     | -5    
|2000's                                                                                                                            | -226   | 7      | 215    | 279    | -183   | 180    | -129   | 77     | -187   | 52    
|2010's                                                                                                                            | -303   | -94    | -292   | 849    | 1,306  | 3,253  | -626   | -633   | 3,914  | 75    
|2020's                                                                                                                            | -3,107 | -441   |        |        |        |        |        |        |        |       
|- = 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