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 View History:  Annual  
Download Data (XLS File)
U.S. Average Depth of Dry Holes Developmental Wells Drilled (Feet per Well)
U.S. Average Depth of Dry Holes Developmental Wells Drilled (Feet per Well)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1940's 3,225
  1950's 3,077 3,255 3,520 3,401 3,512 3,699 3,574 3,605 3,631 3,844
  1960's 3,889 3,782 4,239 4,143 4,207 4,446 3,900 3,901 4,311 4,437
  1970's 4,714 4,633 4,725 4,851 4,599 4,415 4,439 4,662 4,600 4,517
  1980's 4,214 4,226 4,184 3,974 4,205 4,306 4,236 4,390 4,704 4,684
  1990's 4,759 4,670 4,775 4,700 5,135 5,187 5,256 5,329 5,686 5,458
  2000's 5,254 5,111 5,052 5,234 5,519 5,680 NA

- = 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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