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|View History: Annual Download Data (XLS File)                                  
|View History: Annual                                                            
|View History: Annual                                                            
|View History:                                                                   
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|Lower 48 States Dry Natural Gas Reserves Revision Decreases (Billion Cubic Feet)
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|Lower 48 States Dry Natural Gas 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                                                                                                                            |        |        |        |        |        |         |        | 15,229 | 14,670 | 16,398
|1980's                                                                                                                            | 15,819 | 13,752 | 19,318 | 16,875 | 14,317 | 15,752  | 16,940 | 14,164 | 13,676 | 23,507
|1990's                                                                                                                            | 13,344 | 15,235 | 11,941 | 12,139 | 15,832 | 12,680  | 12,875 | 16,657 | 22,138 | 28,138
|2000's                                                                                                                            | 14,133 | 20,341 | 19,200 | 21,315 | 25,942 | 19,500  | 22,293 | 16,601 | 29,734 | 32,927
|2010's                                                                                                                            | 36,119 | 53,267 | 84,280 | 42,061 | 50,778 | 111,962 | 51,847 | 29,624 | 64,926 | 82,067
|2020's                                                                                                                            | 90,474 | 35,555 |        |        |        |         |        |        |        |       
|- = 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