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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 Proved Reserves (Billion Cubic Feet)
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|Alabama 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 693   
|1980's                                                                                                                            | 682    | 683    |        |        |        |        |        |        |        |       
|1990's                                                                                                                            | 4,184  | 5,460  | 5,870  | 5,212  | 4,898  | 4,930  | 5,100  | 5,013  | 4,643  | 4,365 
|2000's                                                                                                                            | 4,269  | 3,958  | 3,922  | 4,345  | 4,159  | 4,006  | 3,963  | 4,036  | 3,379  | 2,948 
|2010's                                                                                                                            | 2,724  | 2,570  | 2,304  | 1,670  | 2,121  | 2,261  | 1,855  | 1,542  | 1,301  | 1,423 
|2020's                                                                                                                            | 1,530  | 1,333  |        |        |        |        |        |        |        |       
|- = 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