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 View History:    Monthly     Annual   
Download Data (XLS File)
U.S. Offshore Crude Oil and Natural Gas Rotary Rigs in Operation (Number of Elements)
U.S. Offshore Crude Oil and Natural Gas Rotary Rigs in Operation (Number of Elements)
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

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 10/8/2009
Next Release Date: 11/6/2009

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