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|View History: Annual Download Data (XLS File)                                            
|View History: Annual                                                                      
|View History: Annual                                                                      
|View History:                                                                             
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|Michigan Natural Gas, Wet After Lease Separation Reserves Adjustments (Billion Cubic Feet)
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|Michigan Natural Gas, Wet After Lease Separation Reserves Adjustments (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                                                                                                                            |        |        |        |        |        |        |        |        |        | -47   
|1980's                                                                                                                            | 323    | -190   | 11     | 230    | -159   | -20    | -24    | 29     | -132   | 46    
|1990's                                                                                                                            | -4     | 231    | 104    | 94     | 152    | 331    | 589    | 174    | 100    | 16    
|2000's                                                                                                                            | 198    | 675    | 79     | 69     | -87    | -8     | 112    | -47    | -19    | -314  
|2010's                                                                                                                            | 258    | 5      | -105   | -64    | -52    | -281   | 405    | 261    | 178    | -22   
|2020's                                                                                                                            | -118   | 9      |        |        |        |        |        |        |        |       
|- = 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