Abstract
The flow of polymer solutions in porous media is of considerable practical importance in such applications as secondary oil recovery. At sufficiently large deformation rates, the viscoelasticity of the polymers has been observed to cause gross increases from pressure drop predictions based on purely viscous behavior. Of similar importance in oil recovery operations is the fact that addition of polymer may effect significant changes in flow distribution in a porous bed. Apparently no attempt has been made to relate visual studies to observed changes in pressure drop behavior. It was felt there is a need to provide data on elasticity effect on pressure drop in well-defined systems which are amenable to simple but detailed analyses. These may be useful in studying related phenomena such as changes in flow distribution. (12 refs.)
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