View History:  Annual  
Download Data (XLS File)
U.S. Average Depth of Dry Holes Exploratory Wells Drilled  (Feet per Well)
U.S. Average Depth of Dry Holes Exploratory 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 3,658
  1950's 3,733 4,059 4,334 4,447 4,408 4,498 4,425 4,488 4,449 4,602
  1960's 4,575 4,799 4,790 4,933 4,980 5,007 5,117 5,188 5,589 5,739
  1970's 5,700 5,796 5,882 5,808 5,649 5,674 5,607 5,605 5,812 5,716
  1980's 5,533 5,582 5,367 4,800 5,178 5,317 5,447 5,294 5,748 5,579
  1990's 5,685 5,658 5,480 5,784 5,932 5,893 6,207 6,395 6,807 6,636
  2000's 6,866 6,640 6,795 6,809 6,924 6,437 6,340 6,307 6,232


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 3/14/2014
Next Release Date: 4/11/2014

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