oil well

from WordNet (r) 3.0 (2006)

oil well
    n 1: a well that yields or has yielded oil [syn: {oil well},
         {oiler}]

from The Collaborative International Dictionary of English v.0.48

oil well \oil" well`\ n.
   A well[3] from which petroleum is or has been extracted; a
   well[3] drilled deeply into an oil-bearing geological
   formation specifically for the purpose of obtaining
   petroleum.
   [PJC]