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  2. Pumpjack - Wikipedia

    en.wikipedia.org/wiki/Pumpjack

    Pump size is also determined by the depth and weight of the oil to remove, with deeper extraction requiring more power to move the increased weight of the discharge column (discharge head). A beam-type pumpjack converts the rotary motion of the motor (usually an electric motor ) to the vertical reciprocating motion necessary to drive the ...

  3. Extraction of petroleum - Wikipedia

    en.wikipedia.org/wiki/Extraction_of_petroleum

    When oil and gas are burned they release carbon dioxide into the air. Fossil fuels, such as oil, are responsible for 89% of the CO2 emissions. [10] Carbon emissions cause climate change which negatively impacts people's safety by raising sea levels and worsening weather. Oil can also cause oil spills, which pollutes the ocean. [10]

  4. 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.

  5. List of oilfield service companies - Wikipedia

    en.wikipedia.org/wiki/List_of_oilfield_service...

    Oilfield service companies may produce, maintain, and repair equipment used in oil extraction and oil transportation. [1] In 2019, the global oilfield services market was US $ 267.8 billion. [ 2 ]

  6. Oil well - Wikipedia

    en.wikipedia.org/wiki/Oil_well

    Depending on the type of lift system and wellhead a rod rig or flushby can be used to change a pump without pulling the tubing. Enhanced recovery methods such as water flooding, steam flooding, or CO 2 flooding may be used to increase reservoir pressure and provide a "sweep" effect to push hydrocarbons out of the reservoir. Such methods require ...

  7. 15 best-selling beauty products you probably didn’t ... - AOL

    www.aol.com/lifestyle/top-rated-beauty-at-costco...

    Whether you're a longtime Costco shopper or are simply curious about the types of brands you can find at the international retailer, below are 15 best-selling beauty products at Costco that have ...