A Wellhead is a component at the surface of an oil or a gas well that provides a safe operation and manages the flow of oil or gas from the well into a gathering system. The Wellhead system consists of valves, spools and assorted adapters that control the pressure of the production well by a blowout preventer (BOP). The Wellhead also incorporates a hanging the production tubing and installing the Christmas Tree and surface flow-control facilities.

Related Definitions in the Project: The Upstream Engineering