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|View History: Annual Download Data (XLS File)                                   
|View History: Annual                                                             
|View History: Annual                                                             
|View History:                                                                    
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|U.S. Natural Gas, Wet After Lease Separation Proved Reserves (Billion Cubic Feet)
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|U.S. Natural Gas, Wet After Lease Separation Proved Reserves (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                                                                                                                            |         |         |         |         |         |         |         |         |         | 208,335
|1980's                                                                                                                            | 206,259 | 209,434 | 209,254 | 209,046 | 205,984 | 202,202 | 201,109 | 196,428 | 176,999 | 175,428
|1990's                                                                                                                            | 177,576 | 175,325 | 173,309 | 170,490 | 171,939 | 173,476 | 175,147 | 175,721 | 172,443 | 176,159
|2000's                                                                                                                            | 186,510 | 191,743 | 195,561 | 197,145 | 201,200 | 213,308 | 220,416 | 247,789 | 255,035 | 283,879
|2010's                                                                                                                            | 317,647 | 348,809 | 322,670 | 353,994 | 388,841 | 324,303 | 341,133 | 464,292 | 504,501 | 494,911
|2020's                                                                                                                            | 473,285 | 625,373 |         |         |         |         |         |         |         |        
|- = 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