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  1. linas

    Hot to calculate sand settling velocity in heavy oil well?

    The settling velocity (Vs) is calculated using Stoke's law for small particles (Dp< 1mm). Vs = [(RHOp-RHOf).g.(Dp)^2]/(18.mu) RHO-density p-particle f-fluid D-diameter mu-dynamic viscosity of the fluid All SI units.
  2. linas

    Carbonic acid thermodynamic data

    I am looking for the heat of formation and Gibbs free energy of formation for carbonic acid (H2CO3) for both liquid and gas phase. I couldn't find it in the CRC handbook of Chemistry. I estimated the Gibbs free energy of formation of H2CO3 using the equilibrium constant for the hydration...

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