  We simulate oil slug displacement in a sinusoidal channel in order to
validate computational models and algorithms for multi-component flow. This
case fits in the gap between fully realistic cases characterized by complicated
geometry and academic cases with simplistic geometry. Our computational model
is based on the lattice Boltzmann method and allows for variation of physical
parameters such as wettability and viscosity. The effect of variation of model
parameters is analyzed, in particular via comparison with analytical solutions.
We discuss the requirements for accurate solution of the oil slug displacement
problem.
