|                                                                                 
|---------------------------------------------------------------------------------
|                                                                                 
|View History: Annual Download Data (XLS File)                                   
|View History: Annual                                                             
|View History: Annual                                                             
|View History:                                                                    
|                                                                                 
|U.S. Dry Natural Gas New Reservoir Discoveries in Old Fields (Billion Cubic Feet)
|                                                                                 
|                                                                                 
|U.S. Dry Natural Gas New Reservoir Discoveries in Old Fields (Billion Cubic Feet)
|                                                                                 

|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  | 4,579  | 2,566 
|1980's                                                                                                                            | 2,577  | 2,998  | 3,419  | 2,965  | 2,686  | 2,960  | 1,771  | 1,499  | 1,909  | 2,243 
|1990's                                                                                                                            | 2,412  | 1,604  | 1,724  | 1,866  | 3,480  | 2,452  | 3,110  | 2,382  | 2,162  | 2,196 
|2000's                                                                                                                            | 2,368  | 2,800  | 1,694  | 1,610  | 1,206  | 1,208  | 1,155  | 1,188  | 1,622  | 2,598 
|2010's                                                                                                                            | 1,668  | 1,227  | 376    | 1,566  | 2,562  | 1,631  | --     | --     | --     | --    
|2020's                                                                                                                            | --     | --     |        |        |        |        |        |        |        |       
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
|                                                                                                                                 
|Release Date: 12/30/2022                                                                                                         
|Next Release Date: 12/29/2023