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

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