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sps50

12/06/11 1:05 PM

#10992 RE: Ecomike #10991

Thank you.
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Ecomike

12/10/11 3:09 PM

#11027 RE: Ecomike #10991

sps50,

I was in a rush when I wrote that, and was not thinking clearly, so here is a little more info. The CO2 would tend to dissolve in oil, yes, since it is non polar, like a lot of oil molecules, and if it was at super critical temperature and pressure, it would actually dissolve oil from tight formations, reduce the viscosity and make it flow better. But CO2 will also react (does not dissolve and stay as CO2), with water and the reaction of CO2 with H20 forms H2CO3, known as carbonic acid. I would expect more of the CO2 to react, as I think it maybe more thermodynamically favored, but that may depend on pressures, temperatures and the oil mix properties as to how much takes each path. But in the end It would probably do BOTH and the question would be what would the reaction equilibrium for making H2CO3 versus disolving CO2 into the crude oil. To add to complexity, the H2CO3 carbonic acid is corrosive, and would react with and dissolve some lime stone for instance. It would probably be the prefect fracking fluid additive for water too!!!!!!