Oil correlations based on Gulf of Mexico oil samples.
Bubble point pressure | pb | psia |
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body | --uriencoded--\displaystyle p_b =c_1 \cdot \left[ \frac%7BR_s%5e%7Bc_2%7D%7D%7B\gamma_g%5e%7Bc_3%7D%7D \cdot 10%5eX+ c_4 \right] |
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body | --uriencoded--X = c_5 \, T%5e%7Bc_6%7D + c_7 \, \gamma_%7BAPI%7D%5e%7Bc_8%7D |
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body | c_1 = 112.727, \ c_2 = 0.5774, \ c_3 = 0.8439, \ c_4 = -12.340 |
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body | --uriencoded--c_5 = 4.561 \cdot 10%5e%7B-5%7D, \ c_6 = 1.3911, \ c_7 = -7.916 \cdot 10%5e%7B-4%7D, \ c_8 = 1.5410 |
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Saturated gas solubility
| Rs | scf/stb | p ≤ pb | LaTeX Math Inline |
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body | --uriencoded--\displaystyle R_s(p, T) =\left[ \gamma_g%5e%7Bc_3%7D \cdot ( p/c_1 - c_4)\cdot 10%5e%7B-X%7D \right] %5e%7B1/%7Bc_2%7D%7D |
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| , LaTeX Math Inline |
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body | --uriencoded--X = c_5 \, T%5e%7Bc_6%7D + c_7 \, \gamma_%7BAPI%7D%5e%7Bc_8%7D |
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body | c_1 = 112.727, \ c_2 = 0.5774, \ c_3 = 0.8439, \ c_4 = -12.340 |
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body | --uriencoded--c_5 = 4.561 \cdot 10%5e%7B-5%7D, \ c_6 = 1.3911, \ c_7 = -7.916 \cdot 10%5e%7B-4%7D, \ c_8 = 1.5410 |
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Saturated oil formation volume factor | Bo | bbl/stb | p ≤ pb | LaTeX Math Inline |
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body | --uriencoded--\displaystyle B_o(p, T) = c_1 + c_2 \cdot \left[ R_s%5e%7Bc_4%7D(p, T) \, \gamma_g%5e%7Bc_5%7D \, \gamma_o%5e%7Bc_6%7D + c_7 \, T%5e%7Bc_8%7D \right]%5e%7Bc_3%7D |
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body | --uriencoded--c_1 = 1.0113, \ c_2 = 7.2046 \cdot 10%5e%7B-5%7D, \ c_3 = 3.0936, \ c_4 = 0.3738 |
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body | c_5 = 0.2914, \ c_6 = -0.6265, \ c_7 =0.24626, \ c_8 = 0.5371 |
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Undersaturated oil formation volume factor | Bo | bbl/stb | p > pb | |
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Undersaturated oil isothermal compressibility | co | psi-1 | p > pb | LaTeX Math Inline |
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body | --uriencoded--c_o(p, T) = c_1 \, R_s%5e%7Bc_2%7D(p, T) \, \gamma_g%5e%7Bc_3%7D \, \gamma_%7BAPI%7D%5e%7Bc_4%7D \, T%5e%7Bc_5%7D \, p%5e%7Bc_6%7D |
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body | --uriencoded--c_1 = 1.705 \cdot 10%5e%7B-7%7D, \ c_2 = 0.69357, \ c_3 = 0.1885, \ c_4 = 0.3272, \ c_5 = 0.6729, \ c_6 = -0.5906 |
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where
See Also
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Petroleum Industry / Upstream / Petroleum Engineering / Subsurface E&P Disciplines / Reservoir Engineering (RE) / PVT correlations / Oil correlations
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