Effect of flow rate on imbibition three-phase relative permeabilities and capillary pressures

Effects of displacement pressure, pressure gradient, and flow rate on the shape of relative permeability curves have long been a controversial subject in petroleum literature. For drainage experiments it has been reported that the relative permeabilities are independent of flow rate. However for imbibition experiments the rare literature, mainly concerned with oil-water phases, does not agree on this point.


Effect of temperature on heavy oil/water relative permeabilities
Akın, Serhat; Brigham, William E. (1999-01-01)
In the first part of this study, the accuracy of the JBN technique for the determination of heavy oil/water relative permeabilities, and the effect of temperature on relative permeabilities is examined by giving numerical as well as experimental examples. Using the JBN technique leads to a false temperature dependence of relative permeability curves. In the second part, we present unsteady state relative permeability experiments with initial brine saturation at differing temperatures conducted using South B...
Effect of the downstream transition region of a flow measurement flume of rectangular compound cross section on flow properties
Göğüş, Mustafa; Atalay, Ahmet E. (2013-10-01)
In this study, the effect of the downstream expansion region of a flow measurement flume of rectangular compound cross section on some of the flow properties; such as the discharge coefficient, C-d, the approach velocity coefficient, C and the modular limit, ML were investigated. For this reason, extensive laboratory tests were conducted with nine models of different downstream transitions. The aforementioned hydraulic quantities were then related with the relevant parameters to obtain sets of curves from w...
Turgay, M. B.; Güvenç Yazıcıoğlu, Almıla (Informa UK Limited, 2009-01-01)
In this study, the effect of surface roughness on convective heat transfer in two-dimensional parallel plate microchannels is analyzed numerically for steady-state, single-phase, developing, and laminar air flow in the slip flow regime. Slip velocity and temperature jump at wall boundaries are imposed to observe the rarefaction effect. The effect of triangular roughness elements on Nusselt number are compared to cases with smooth surfaces. The results indicate that increasing surface roughness reduces heat ...
Effect of boundary conditions on magnetohydrodynamics duct flow
Bozkaya, Canan (2017-12-01)
The magnetohydrodynamic flow of an incompressible, viscous and electrically conducting fluid is investigated numerically in a channel of either rectangular or semi-infinite cross-section with several types of boundary conditions involving walls of variable conductivity in the presence of hydrodynamic slip. The flow is fully developed and driven by a constant pressure gradient in the axial direction under a uniform external inclined magnetic field. The governing differential equations coupled in velocity and...
Effect of thickness-to-chord ratio on aerodynamics of non-slender delta wing
Ghazijahani, Mohammad Sharifi; Yavuz, Mehmet Metin (2019-05-01)
The effect of thickness-to-chord (t/C) ratio on aerodynamics of a non-slender delta wing with sweep angle of 45 degree is characterized in a low-speed wind tunnel using laser illuminated smoke visualization, surface pressure measurements, particle image velocimetry, and force measurements. The delta wings of t/C ratios varying from 2% to 15% with 45 degree windward beveled leading edges are tested. The results indicate that the effect of t/C ratio on flow structure is quite substantial. Considering the low ...
Citation Formats
S. Akın, “Effect of flow rate on imbibition three-phase relative permeabilities and capillary pressures,” ENERGY SOURCES, pp. 127–135, 2001, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/36255.