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  2. Vacuum ejector - Wikipedia

    en.wikipedia.org/wiki/Vacuum_Ejector

    A vacuum ejector, or simply ejector, or aspirator, is a type of vacuum pump, which produces vacuum by means of the Venturi effect.. In an ejector, a working fluid (liquid or gaseous) flows through a jet nozzle into a tube that first narrows and then expands in cross-sectional area.

  3. Gas lift - Wikipedia

    en.wikipedia.org/wiki/Gas_lift

    The gas-lift mandrel is a device installed in the tubing string of a gas-lift well onto which or into which a gas-lift valve is fitted. There are two common types of mandrels. In a conventional gas-lift mandrel, a gas-lift valve is installed as the tubing is placed in the well. Thus, to replace or repair the valve, the tubing string must be pulled.

  4. Well intervention - Wikipedia

    en.wikipedia.org/wiki/Well_intervention

    Well intervention vessel Skandi Constructor. A well intervention, or well work, is any operation carried out on an oil or gas well during, or at the end of, its productive life that alters the state of the well or well geometry, provides well diagnostics, or manages the production of the well.

  5. Artificial lift - Wikipedia

    en.wikipedia.org/wiki/Artificial_lift

    Artificial lift is the use of artificial means to increase the flow of liquids, such as crude oil or water, from a production well. Generally this is achieved by the use of a mechanical device inside the well (known as pump or velocity string) or by decreasing the weight of the hydrostatic column by injecting gas into the liquid some distance down the well.

  6. Injector - Wikipedia

    en.wikipedia.org/wiki/Injector

    The S type pump is useful for removing water from a well or container. Shallow well pumps are those in which the jet assembly is attached directly to the main pump and are limited to a depth of approximately 5-8m to prevent cavitation. Deep well pumps are those in which the jet is located at the bottom of the well. The maximum depth for deep ...

  7. Jet aerators - Wikipedia

    en.wikipedia.org/wiki/Jet_aerators

    Jet aerators can be installed either as submersible units or piped through the tank wall using an external dry-installed chopper pump to feed the aspirating ejector(s). Jet aerators are easily configured into any basin geometry including circular, rectangular, looped reactors and sloped wall basins.

  8. Coleman Hawkins has double-double, K-State hits late FTs to ...

    www.aol.com/coleman-hawkins-double-double-k...

    Coleman Hawkins had 20 points and 10 rebounds, Dug McDaniel added 17 points and Kansas State led No. 16 Cincinnati nearly wire-to-wire in a 70-67 victory Monday night to open the 20-game Big 12 ...

  9. Snubbing - Wikipedia

    en.wikipedia.org/wiki/Snubbing

    Snubbing is a type of heavy well intervention performed on oil and gas wells. It involves running the BHA on a pipe string using a hydraulic workover rig. Unlike wireline or coiled tubing , the pipe is not spooled off a drum but made up and broken up while running in and pulling out, much like conventional drill pipe .

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