Polymer Optimisation- Shear Thinning or Thickening?

Gloria Gyanfi, Wilberforce Nkrumah Aggrey, Ernest Ansah Owusu, Kofi Ohemeng Prempeh

Abstract


With most polymers employed in polymer enhanced oil recovery exhibiting one or both non-Newtonian behaviours that is shear thickening and thinning at different shear rate, it is expedient to analyse the impact of these non-Newtonian behaviours in polymer optimisation. CMG simulation suite was employed to analyse the permeability pinch-out formation with a five (5) spot injection well pattern for a 360days simulation run using a 90days polymer injection well cycling. Shear thinning polymer was found not to be conducive for lower permeable formation as a high percentage of the polymer was retained. NPV was affected by polymer injection rate which controlled polymer optimisation

Keywords


polymer; polymer optimisation; completion; shear thinning ;shear thickening

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DOI: https://doi.org/10.24203/ajas.v7i4.5808

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