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View Diary: BP Oilpocalypse ROV Diary #63 (325 comments)

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  •  not sure I understand ... (2+ / 0-)
    Recommended by:
    Gooserock, godislove

    ... how the flow rate is adjusted for pressure (i.e., for compression). What does a barrel of oil at 5,000 ft. expand to at the surface? It can't still be just 42 gallons, can it?

    •  The liquid won't expand (much) (3+ / 0-)
      Recommended by:
      Wee Mama, godislove, Icarus Diving

      but the gas dissolved in the liquid will be released.

      So the initial one gallon of fluid at depth will actually lose volume, depending on how much gas bubbles out (which depends on the initial gas ratio).

      So one barrel of liquid at 5000 ft depth will turn into somewhat to much less than one barrel at the surface.

      The only way to ensure a free press is to own one

      by RedDan on Sun Jun 06, 2010 at 10:29:12 AM PDT

      [ Parent ]

    •  Oil's a Liquid, It Doesn't Expand or Compress (4+ / 0-)

      to any significant degree. That's why they use it for hydraulic lifts.

      We are called to speak for the weak, for the voiceless, for victims of our nation and for those it calls enemy.... --ML King "Beyond Vietnam"

      by Gooserock on Sun Jun 06, 2010 at 10:29:46 AM PDT

      [ Parent ]

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