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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 Revision Increases (Billion Cubic Feet)
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|Michigan 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                                                                                                                            |        |        |        |        |        |        |        |        |        | 131   
|1980's                                                                                                                            | 71     | 98     | 162    | 128    | 198    | 105    | 114    | 174    | 259    | 246   
|1990's                                                                                                                            | 92     | 295    | 156    | 171    | 199    | 83     | 467    | 259    | 552    | 639   
|2000's                                                                                                                            | 428    | 268    | 390    | 308    | 209    | 144    | 467    | 793    | 147    | 373   
|2010's                                                                                                                            | 265    | 213    | 550    | 395    | 295    | 152    | 155    | 67     | 79     | 46    
|2020's                                                                                                                            | 81     | 328    |        |        |        |        |        |        |        |       
|- = 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