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|View History: Annual Download Data (XLS File)                                                      
|View History: Annual                                                                                
|View History: Annual                                                                                
|View History:                                                                                       
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|Michigan Nonassociated Natural Gas, Wet After Lease Separation, Proved Reserves (Billion Cubic Feet)
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|Michigan Nonassociated 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 601   
|1980's                                                                                                                            | 668    | 494    | 481    | 529    | 419    | 375    | 665    | 1,002  | 943    | 1,011 
|1990's                                                                                                                            | 922    | 967    | 938    | 890    | 1,022  | 1,018  | 1,778  | 1,975  | 2,158  | 2,086 
|2000's                                                                                                                            | 2,558  | 2,873  | 3,097  | 3,219  | 2,961  | 2,808  | 2,925  | 3,512  | 3,105  | 2,728 
|2010's                                                                                                                            | 2,903  | 2,472  | 1,687  | 1,714  | 1,765  | 1,302  | 1,238  | 1,431  | 1,469  | 1,159 
|2020's                                                                                                                            | 813    | 1,088  |        |        |        |        |        |        |        |       
|- = 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