Science Fair Project Encyclopedia
Well head
Well head is a term used in the oil and gas industry to describe the equipment located at the top of a well. The usual equipment is a control or choke valve to control oil/gas flow and pressure and temperature gauges. Some well heads can also include equipment to operate downhole valves or may include equipment to provide artificial lift such as a beam pump , electrical submersible pump .
During the drilling phase for a well, the well head equipment is called a Christmas tree so named from the various sprouting branches which provide control and emergency valves.
11-30-2008 18:11:33
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details