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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 Decreases (Billion Cubic Feet)
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|Alabama Natural Gas, Wet After Lease Separation Reserves Revision Decreases (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                                                                                                                            |        |        |        |        |        |        |        |        |        | 44    
|1980's                                                                                                                            | 124    | 94     |        |        |        |        |        |        |        |       
|1990's                                                                                                                            | 944    | 211    | 195    | 165    | 2,132  | 293    | 97     | 56     | 316    | 142   
|2000's                                                                                                                            | 70     | 225    | 157    | 125    | 157    | 61     | 213    | 36     | 747    | 337   
|2010's                                                                                                                            | 180    | 163    | 262    | 79     | 43     | 203    | 399    | 80     | 47     | 58    
|2020's                                                                                                                            | 127    | 42     |        |        |        |        |        |        |        |       
|- = 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