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  2. Well control - Wikipedia

    en.wikipedia.org/wiki/Well_control

    The pump used should be a high-pressure, low-volume test, or cementing pump. Rig pumps can be used if the rig has electric drives on the mud pumps, and they can be slowly rolled over. If the rig pump must be used and the pump cannot be easily controlled at low rates, then the leak-off technique must be modified.

  3. Hydrostatic test - Wikipedia

    en.wikipedia.org/wiki/Hydrostatic_test

    The test involves filling the vessel or pipe system with a liquid, usually water, which may be dyed to aid in visual leak detection, and pressurization of the vessel to the specified test pressure. Pressure tightness can be tested by shutting off the supply valve and observing whether there is a pressure loss.

  4. Piston pump - Wikipedia

    en.wikipedia.org/wiki/Piston_pump

    This pump type functions through a piston cup, oscillation mechanism where down-strokes cause pressure differentials, filling of pump chambers, where up-stroke forces the pump fluid out for use. Piston pumps are often used in scenarios requiring high, consistent pressure and in water irrigation or delivery systems. [3]

  5. Cascade filling system - Wikipedia

    en.wikipedia.org/wiki/Cascade_filling_system

    A cascade filling system is a high-pressure gas cylinder storage ... If another 100-liter cylinder pressurized this time to 250 bar were then used to "top-up" the 10 ...

  6. Pressure tank - Wikipedia

    en.wikipedia.org/wiki/Pressure_tank

    The pressure switch turns the water pump on when it senses a pressure that is less than P lo and turns it off when it senses a pressure greater than P hi. While the pump is on, the pressure tank fills up. The pressure tank is then depleted as it supplies water in the specified pressure range to prevent "short-cycling", in which the pump tries ...

  7. Peristaltic pump - Wikipedia

    en.wikipedia.org/wiki/Peristaltic_pump

    The biggest advantage with the hose pumps over the roller pumps is the high operating pressure of up to 16 bar. With rollers, max pressure can arrive up to 12 bar (170 psi) without any problem. If the high operating pressure is not required, a tubing pump is a better option than a hose pump if the pumped medium is not abrasive.

  8. Water injection (oil production) - Wikipedia

    en.wikipedia.org/wiki/Water_injection_(oil...

    The high pressure, high flow water injection pumps are placed near to the de-oxygenation tower and boosting pumps. They fill the base of the reservoir with the filtered water to push the oil towards the wells like a piston. The result of the injection is not quick, it needs time.

  9. Hydrogen infrastructure - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_infrastructure

    Hydrogen fueling pump. A hydrogen station is a storage or filling station for hydrogen fuel. [38] The hydrogen is dispensed by weight. [39] [40] There are two filling pressures in common use: H70 or 700 bar, and the older standard H35 or 350 bar. [41] As of 2021, around 550 filling stations were available worldwide. [41]

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