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definitions

directional drilling

noun

a method of drilling for oil in which the well is not drilled vertically, as when a number of wells are to be drilled from a single platform to reach different areas of an oil fieldAlso called: deviated drilling

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Nearby words

  1. direction cosine,
  2. direction finder,
  3. direction number,
  4. directional,
  5. directional derivative,
  6. directional microphone,
  7. directionless,
  8. directions,
  9. directive,
  10. directly
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012