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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 Revision Increases (Billion Cubic Feet)
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|Alabama 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 137   
|1980's                                                                                                                            | 74     | 126    |        |        |        |        |        |        |        |       
|1990's                                                                                                                            | 765    | 776    | 562    | 48     | 2,105  | 491    | 507    | 351    | 312    | 219   
|2000's                                                                                                                            | 79     | 80     | 133    | 598    | 164    | 137    | 238    | 165    | 288    | 101   
|2010's                                                                                                                            | 214    | 472    | 102    | 70     | 146    | 207    | 237    | 84     | 81     | 95    
|2020's                                                                                                                            | 156    | 96     |        |        |        |        |        |        |        |       
|- = 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