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|View History: Annual Download Data (XLS File)                                          
|View History: Annual                                                                    
|View History: Annual                                                                    
|View History:                                                                           
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|Alabama Natural Gas, Wet After Lease Separation Reserves Extensions (Billion Cubic Feet)
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|Alabama Natural Gas, Wet After Lease Separation Reserves Extensions (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                                                                                                                            |        |        |        |        |        |        |        |        |        | 46    
|1980's                                                                                                                            | 68     | 12     |        |        |        |        |        |        |        |       
|1990's                                                                                                                            | 1,019  | 229    | 35     | 380    | 80     | 118    | 177    | 34     | 19     | 1     
|2000's                                                                                                                            | 184    | 174    | 293    | 321    | 133    | 87     | 150    | 125    | 61     | 21    
|2010's                                                                                                                            | 29     | 3      | 0      | 0      | 2      | 0      | --     | --     | --     | --    
|2020's                                                                                                                            | --     | --     |        |        |        |        |        |        |        |       
|- = 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