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Oil Separation

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joisy

joisy

Chemical
Joined
Feb 6, 2003
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Guys,

can we assume that the gas we got from 2-phase oil separator (crude oil with 0.5 water content on inlet) contents water vapors at the dew point?
 
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By the time the crude oil, gas and water comes from the wells, mixes in the pipeline, equilibrium is a valid assumption.
 
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Ok, and what you think is the substance which will be dropped out at first after the start decreasing of temperature. This must be a mixture of different hydrocarbons and water? Isn't it?
 
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Yes, the gas will be at both its water and hydrocarbon dewpoint. If you cool it, at the same pressure, you form liquid. If you also drop the pressure, you likely will still get liquid but it depends on the phase envelope.
 
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