Chart Oil correlations based on USA samples. The corresponding regression equations are later found in Standing.
Dead oil viscosity | μo | cp | p > pb | | LaTeX Math Inline |
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| body | --uriencoded--\displaystyle \mu_%7Bod%7D(T) = \left( c_1 + c_2 \, \gamma_%7BAPI%7D%5e%7Bc_3%7D \right) \left( \frac%7Bc_4%7D%7BT+c_5%7D \right)%5ea |
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| LaTeX Math Inline |
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| body | --uriencoded--\log_%7B10%7D a = c_6 + \frac%7Bc_7%7D%7B\gamma_%7BAPI%7D%7D |
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| LaTeX Math Inline |
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| body | --uriencoded--c_1 = 0.32, \ c_2 = 1.8 \cdot 10%5e7, \ c_3 = - 4.53, \ c_4 =360, \ c_5 = -260, \ c_6 = 0.43, \ c_7 = 8.33 |
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Undersaturated oil viscosity | μo | cp | p > pb | | LaTeX Math Inline |
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| body | --uriencoded--\displaystyle \mu_o(p) = \mu_%7Bob%7D + c_1 \, (p-p_b) \, \big [ c_2 \, \mu_%7Bob%7D%5e%7Bc_3%7D + c_4 \, \mu_%7Bob%7D%5e%7Bc_5%7D \big ] |
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| LaTeX Math Inline |
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| body | c_1 = 0.001, \ c_2 = 0.024, \ c_3 = 1.6, \ c_4 = 0.038, \ c_5 = 0.56 |
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See Also
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Petroleum Industry / Upstream / Petroleum Engineering / Subsurface E&P Disciplines / Reservoir Engineering (RE) / PVT correlations / Oil correlations
References
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Beal, C., 1946. The viscosity of air, water, natural gas, crude oils and its associated gases at oil field temperatures and pressures. Trans. AIME 165, 94–112
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