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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. Offshore Crude Oil and Natural Gas Rotary Rigs in Operation  (Number of Elements)
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|U.S. Offshore 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                                                                                                                            |        |        |        |        |        |        |        |        |        | NA    
|1950's                                                                                                                            | NA     | NA     | NA     | NA     | NA     | NA     | NA     | NA     | NA     | NA    
|1960's                                                                                                                            | NA     | NA     | NA     | NA     | NA     | NA     | NA     | NA     | NA     | NA    
|1970's                                                                                                                            | NA     | NA     | NA     | 84     | 94     | 106    | 129    | 167    | 185    | 207   
|1980's                                                                                                                            | 231    | 256    | 243    | 199    | 213    | 206    | 99     | 95     | 123    | 105   
|1990's                                                                                                                            | 108    | 81     | 52     | 82     | 102    | 101    | 108    | 122    | 123    | 106   
|2000's                                                                                                                            | 140    | 153    | 113    | 108    | 97     | 94     | 90     | 72     | 65     | 44    
|2010's                                                                                                                            | 31     | 32     | 47     | 56     | 57     | 35     | 23     | 20     | 19     | 23    
|2020's                                                                                                                            | 15     | 14     | 15     | 19     |        |        |        |        |        |       
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 7/31/2024                                                                                                          
|Next Release Date: 8/30/2024