Viscous stabilization of 2D drainage displacements with trapping

  title={Viscous stabilization of 2D drainage displacements with trapping},
  author={Aker and K JorgenM{\aa}loy and Hansen},
  journal={Physical review letters},
  volume={84 20},
We investigate the stabilization mechanisms due to viscous forces in the invasion front during drainage displacement in two-dimensional porous media using a network simulator. We find that in horizontal displacement the capillary pressure difference between two different points along the front varies almost linearly as a function of height separation in the direction of the displacement. The numerical result supports arguments taking into account the loopless displacement pattern where… 

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