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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 Natural Gas, Wet After Lease Separation Proved Reserves (Billion Cubic Feet)
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|Lower 48 States 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                                                                                                                            |         |         |         |         |         |         |         |         |         | 176,060
|1980's                                                                                                                            | 172,864 | 176,385 | 174,252 | 174,755 | 171,508 | 167,979 | 167,754 | 162,713 | 167,820 | 166,409
|1990's                                                                                                                            | 168,183 | 165,672 | 163,584 | 160,504 | 162,126 | 163,901 | 165,851 | 165,048 | 162,400 | 166,304
|2000's                                                                                                                            | 177,179 | 182,842 | 187,028 | 188,797 | 192,727 | 205,071 | 210,083 | 235,767 | 247,269 | 274,696
|2010's                                                                                                                            | 308,730 | 339,298 | 313,003 | 346,611 | 382,036 | 319,694 | 337,792 | 457,718 | 495,616 | 485,531
|2020's                                                                                                                            | 436,756 | 525,572 |         |         |         |         |         |         |         |        
|- = 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