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  2. Oil well control - Wikipedia

    en.wikipedia.org/wiki/Oil_well_control

    Secondary oil well control is done after the Primary oil well control has failed to prevent formation fluids from entering the wellbore. This process uses "blow out preventer", a BOP, to prevent the escape of wellbore fluids from the well. As the rams and choke of the BOP remain closed, a pressure built up test is carried out and a kill mud ...

  3. Well control - Wikipedia

    en.wikipedia.org/wiki/Well_control

    Well control is the technique used in oil and gas operations such as drilling, well workover and well completion for maintaining the hydrostatic pressure and formation pressure to prevent the influx of formation fluids into the wellbore.

  4. Blowout (well drilling) - Wikipedia

    en.wikipedia.org/wiki/Blowout_(well_drilling)

    Subsea wells have pressure control equipment located on the seabed or between the riser pipe and drilling platform. Blowout preventers (BOPs) are the primary safety devices designed to maintain control of geologically driven well pressures. They contain hydraulic-powered cut-off mechanisms to stop the flow of hydrocarbons in the event of a loss ...

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  6. Petroleum refining processes - Wikipedia

    en.wikipedia.org/wiki/Petroleum_refining_processes

    Petroleum refinery in Anacortes, Washington, United States. Petroleum refining processes are the chemical engineering processes and other facilities used in petroleum refineries (also referred to as oil refineries) to transform crude oil into useful products such as liquefied petroleum gas (LPG), gasoline or petrol, kerosene, jet fuel, diesel oil and fuel oils.

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  8. All of these Black Friday deals would make very good gifts - AOL

    www.aol.com/lifestyle/all-of-these-black-friday...

    Plus, the stick plugs right into an HDMI port in the back of your TV, so it's nice and tidy. A fan raved, "The picture quality is stunning. Watching my favorite shows and movies in 4K is like ...

  9. Update AOL Mail settings - AOL Help

    help.aol.com/articles/aol-mail-mail-settings

    Take control of your inbox by keeping your spam list up to date. 1. Click the Block Senders tab. 2. In the box under "Block mail from addresses I specify," enter the email address you want blocked. 3. Click the + icon 4. Alternatively, to remove the address, click the X icon next to the address you want removed.