View History:  Annual  
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U.S. Average Depth of Crude Oil Exploratory and Developmental  Wells Drilled  (Feet per Well)
U.S. Average Depth of Crude Oil Exploratory and 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 3,720
  1950's 3,893 4,103 4,214 4,033 4,028 3,981 3,942 4,021 3,916 3,935
  1960's 3,889 3,994 4,070 4,063 4,042 4,059 4,013 3,825 4,153 4,286
  1970's 4,385 4,126 4,330 4,369 3,812 3,943 3,895 4,025 4,017 3,966
  1980's 3,801 3,923 3,793 3,662 3,791 3,906 3,999 4,094 4,297 4,229
  1990's 4,483 4,556 5,007 5,089 5,394 5,135 4,890 5,082 5,089 4,622
  2000's 4,593 4,894 4,582 4,783 4,829 4,836 4,846 5,111 5,094


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 9/30/2014
Next Release Date: 10/13/2014

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