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|View History: Annual Download Data (XLS File)                                                                 
|View History: Annual                                                                                           
|View History: Annual                                                                                           
|View History:                                                                                                  
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|Alabama Nonassociated Natural Gas, Wet After Lease Separation, Reserves Revision Increases (Billion Cubic Feet)
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|Alabama Nonassociated 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 135   
|1980's                                                                                                                            | 61     | 121    |        |        |        |        |        |        |        |       
|1990's                                                                                                                            | 762    | 772    | 546    | 29     | 2,091  | 482    | 504    | 346    | 301    | 210   
|2000's                                                                                                                            | 78     | 77     | 126    | 595    | 163    | 133    | 234    | 153    | 287    | 90    
|2010's                                                                                                                            | 208    | 470    | 84     | 50     | 70     | 174    | 222    | 43     | 43     | 68    
|2020's                                                                                                                            | 123    | 85     |        |        |        |        |        |        |        |       
|- = 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