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|View History:  Monthly  Annual Download Data (XLS File)                     
|View History:  Monthly  Annual                                               
|View History:  Monthly  Annual                                               
|View History:                                                                
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|U.S. Crude Oil and Natural Gas Rotary Rigs in Operation  (Number of Elements)
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|U.S. Crude Oil and Natural Gas Rotary Rigs in Operation  (Number of Elements)
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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
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1940's                                                                                                                            |        |        |        |        |        |        |        |        |        | 2,017 
|1950's                                                                                                                            | 2,154  | 2,543  | 2,641  | 2,613  | 2,508  | 2,686  | 2,620  | 2,426  | 1,922  | 2,071 
|1960's                                                                                                                            | 1,748  | 1,761  | 1,641  | 1,499  | 1,501  | 1,388  | 1,272  | 1,135  | 1,169  | 1,194 
|1970's                                                                                                                            | 1,028  | 976    | 1,107  | 1,194  | 1,472  | 1,660  | 1,658  | 2,001  | 2,259  | 2,177 
|1980's                                                                                                                            | 2,909  | 3,970  | 3,105  | 2,232  | 2,428  | 1,980  | 964    | 936    | 936    | 869   
|1990's                                                                                                                            | 1,010  | 860    | 721    | 754    | 775    | 723    | 779    | 943    | 827    | 625   
|2000's                                                                                                                            | 918    | 1,156  | 830    | 1,032  | 1,192  | 1,381  | 1,649  | 1,768  | 1,879  | 1,089 
|2010's                                                                                                                            | 1,546  | 1,879  | 1,919  | 1,761  | 1,861  | 962    | 509    | 876    | 1,032  | 943   
|2020's                                                                                                                            | 433    | 478    | 723    | 687    |        |        |        |        |        |       
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 3/29/2024                                                                                                          
|Next Release Date: 4/30/2024