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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 New Reservoir Discoveries in Old Fields (Billion Cubic Feet)
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|Lower 48 States Dry Natural Gas New Reservoir Discoveries in Old Fields (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                                                                                                                            |        |        |        |        |        |        |        | 3,301  | 4,277  | 2,566 
|1980's                                                                                                                            | 2,577  | 2,994  | 3,419  | 2,965  | 2,686  | 2,960  | 1,761  | 1,499  | 1,909  | 2,243 
|1990's                                                                                                                            | 2,412  | 1,563  | 1,724  | 1,858  | 3,480  | 2,452  | 3,110  | 2,382  | 2,162  | 2,173 
|2000's                                                                                                                            | 2,355  | 2,796  | 1,686  | 1,609  | 1,171  | 1,198  | 1,153  | 1,188  | 1,617  | 2,598 
|2010's                                                                                                                            | 1,668  | 1,224  | 376    | 1,565  | 2,562  | 1,631  | --     | --     | --     | --    
|2020's                                                                                                                            | --     | --     |        |        |        |        |        |        |        |       
|- = 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