Blowout preventer control unit:

Usually, compressed air and hydraulic pressure provide the opening and closing force in the unit.

See blowout preventer.

Terms Related to Blowout preventer control unit

• Blowout preventer operating and control system

  The assembly of pumps, valves, lines, accumulators, and other items necessary to open and close the blowout preventer equipment. Also called closing unit.

• Blowout preventer control panel

  Controls, usually located near the driller's position on the rig floor, that are manipulated to open and close the blowout preventers. See blowout preventer.

• Closing unit

  The assembly of pumps, valves, lines, accumulators, and other items necessary to open and close the blowout preventer equipment.

• Snub

  1. To force pipe or tools into a high-pressure well that has not been killed (i.e., to run pipe or tools into the well against ...

• Close in

  1. To shut in a well temporarily that is capable of producing oil or gas. 2. To close the blowout preventers on a well to ...

• Ram blowout preventer

  A blowout preventer that uses rams to seal off pressure on a hole that is with or without pipe. Also called a ram preventer.

• Hanger plug

  A device placed or hung in the casing below the blowout preventer stack to form a pressure tight seal. Pressure is then applied to the ...