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  2. Pressure tank - Wikipedia

    en.wikipedia.org/wiki/Pressure_tank

    The diaphragm or bladder may itself exert a pressure on the water, but it is usually small and will be neglected in the following discussion. Case 1 is an empty tank at the charging pressure P c (gauge). The total volume of the tank is V t. Case 2 is a tank in use, with the air pressure at pressure P (gauge) and a water volume of V

  3. Hydraulic accumulator - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_accumulator

    As the volume of the compressed gas changes, the pressure of the gas (and the pressure on the fluid) changes inversely. For low pressure water system use the water usually fills a rubber bladder within the tank (pictured), preventing contact with the tank which would otherwise need to be corrosion resistant.

  4. Bladder tank - Wikipedia

    en.wikipedia.org/wiki/Bladder_Tank

    Bladder tank for fire protection Labaronne's patent A bladder tank is a large, flexible container used to store many types of liquids . [ 1 ] When maximum capacity is reached, the bladder tank takes the form of a large pillow , hence it is also called a pillow tank .

  5. Hydropneumatic device - Wikipedia

    en.wikipedia.org/wiki/Hydropneumatic_device

    The controllers are pressure cylinders containing a movable separator member between a gas and a liquid, said moveable member causing the actuation of directional control valve or valves. The controllers are used in a circuit after a pump that is followed by a valved-side branch, and beyond a check valve, so that this device can only discharge ...

  6. Blowout preventer - Wikipedia

    en.wikipedia.org/wiki/Blowout_preventer

    In drilling a typical high-pressure well, drill strings are routed through a blowout preventer stack toward the reservoir of oil and gas. As the well is drilled, drilling fluid , "mud", is fed through the drill string down to the drill bit, "blade", and returns up the wellbore in the ring-shaped void, annulus , between the outside of the drill ...

  7. Oil well control - Wikipedia

    en.wikipedia.org/wiki/Oil_well_control

    Pump pressure, which is also referred to as system pressure loss, is the sum total of all the pressure losses from the oil well surface equipment, the drill pipe, the drill collar, the drill bit, and annular friction losses around the drill collar and drill pipe. It measures the system pressure loss at the start of the circulating system and ...

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