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U.S. Crude Oil, Natural Gas, and Dry Developmental Wells Drilled (Number of Elements)
U.S. Crude Oil, Natural Gas, and Dry Developmental Wells Drilled (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 28,254
  1950's 31,744 31,887 32,138 34,427 38,009 40,208 40,963 37,281 33,742 34,372
  1960's 33,915 33,262 33,361 30,803 31,566 29,307 26,071 23,356 21,720 22,486
  1970's 20,614 19,052 20,234 19,759 24,019 29,362 31,651 35,857 39,238 41,539
  1980's 58,248 74,517 69,037 62,564 71,070 58,962 33,163 28,739 26,030 22,741
  1990's 26,917 24,993 20,133 21,892 18,471 18,189 20,553 24,431 20,466 17,097
  2000's 26,783 32,218 25,325 29,989 33,353 39,489 46,711 48,475 54,360

- = 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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