Gas/Oil Interfacial Tension - Revision history

MishaT: /* Math and Physics */

2023-12-29T19:02:38Z

‎Math and Physics

2023-12-29T14:01:08Z

‎Math and Physics

2023-12-29T14:00:46Z

‎Math and Physics

2020-10-05T05:30:47Z

‎Gas/Oil Interfacial Tension

2020-10-05T05:14:20Z

2020-10-05T05:12:25Z

2020-10-05T05:05:34Z

2020-10-05T05:03:56Z

2020-10-05T05:01:57Z

2020-10-05T05:00:23Z

@@ Line 15: / Line 15: @@
 :<math>At\ T>100F,\ \sigma_{od}=\sigma_{100}</math>
-:<math> \sigma_{o}=\sigma_{od} \times (1-0.24P^{0.45})</math>
+:<math> \sigma_{o}=\sigma_{od} \times (1-0.024P^{0.45})</math>
 The interfacial tension becomes zero at miscibility pressure.  1 dyne/cm is used for calculations, then it becomes less than 1.

@@ Line 12: / Line 12: @@
 :<math> At\ T<68F,\  \sigma_{od}=\sigma_{68}</math>
-:<math> At\ 68F<T<100F,\  \sigma_{od}=\frac\sigma_{68} + {(T - 68) * (\sigma_{100} - \sigma_{68})}{ (100 - 68)}</math>
+:<math> At\ 68F<T<100F,\  \sigma_{od}=\sigma_{68} + \frac{(T - 68) * (\sigma_{100} - \sigma_{68})}{ (100 - 68)}</math>
 :<math>At\ T>100F,\ \sigma_{od}=\sigma_{100}</math>

@@ Line 12: / Line 12: @@
 :<math> At\ T<68F,\  \sigma_{od}=\sigma_{68}</math>
-:<math> At\ 68F<T<100F,\  \sigma_{od}=\frac{\sigma_{68} + (T - 68) * (\sigma_{100} - \sigma_{68})}{ (100 - 68)}</math>
+:<math> At\ 68F<T<100F,\  \sigma_{od}=\frac\sigma_{68} + {(T - 68) * (\sigma_{100} - \sigma_{68})}{ (100 - 68)}</math>
 :<math>At\ T>100F,\ \sigma_{od}=\sigma_{100}</math>

@@ Line 4: / Line 4: @@
 [[Gas/Oil Interfacial Tension]] correlation was published by '''Baker and Swerdloff''' in '''1956'''.
-[[File:Gas/Oil Interfacial Tension.png|thumb|right|400px|Gas/Oil Interfacial Tension correlation in the PVT software at pengtools.com]]
+[[File:Gas-Oil Interfacial Tension.png|thumb|right|400px|Gas/Oil Interfacial Tension correlation in the PVT software at pengtools.com]]
 ==Math and Physics==

@@ Line 32: / Line 32: @@
 == References ==
-Baker, O. and Swerdloff, W. 1955. Calculation of Surface Tension 3—Calculating parachor Values. Oil Gas J. (5 December 1955): 141.
+Baker, O. and Swerdloff, W. 1955. Calculation of Surface Tension 3—Calculating parachor Values. Oil Gas J. (5 December 1955): 141.<br/>
 Baker, O. and Swerdloff, W. 1956. Calculation of Surface Tension 6—Finding Surface Tension of Hydrocarbon Liquids. Oil Gas J. (2 January 1956): 125.

@@ Line 26: / Line 26: @@
 :<math> \sigma_{od} </math> = gas/oil interfacial tension for dead oil, dynes/cm
 :<math> T </math> = temperature, °F
 == References ==

@@ Line 22: / Line 22: @@
 == Nomenclature  ==
 :<math> P </math> = pressure, psia
 :<math> \sigma_{o} </math> = gas/oil interfacial tension, dynes/cm
 :<math> \sigma_{od} </math> = gas/oil interfacial tension for dead oil, dynes/cm

@@ Line 34: / Line 34: @@
 |titlemode= replace
 |keywords=Water salinity, TDS, brine salinity, formation water salinity, Water formation volume factor
-|description=Gas/Oil Interfacial Tension
+|description=Gas/Oil Interfacial Tension correlation was published by Baker and Swerdloff in 1956.
 }}
 [[Category:PVT]]
 [[Category:pengtools]]

@@ Line 17: / Line 17: @@
 :<math> \sigma_{o}=\sigma_{od} \times (1-0.24P^{0.45})</math>
-The interfacial tension becomes zero at miscibility pressure.  Once the correction factor becomes zero, 1 dyne/cm is used for calculations.
+The interfacial tension becomes zero at miscibility pressure.  1 dyne/cm is used for calculations, then it becomes less than 1.
 :<math> if (\sigma_{o}<1) \sigma_{o}=1</math>