wellhead

Etymology
From.

Noun

 * 1) The place where a spring breaks out of the ground; the source of water for a stream or well.
 * 2)  The source of something; a fountainhead.
 * 3) The surface structure of an oil well etc.
 * 1)  The source of something; a fountainhead.
 * 2) The surface structure of an oil well etc.
 * 1) The surface structure of an oil well etc.
 * 1) The surface structure of an oil well etc.
 * 1) The surface structure of an oil well etc.