Prediction of Wettability Variation Within an Oil / Water Transition Zone and Its Impact on Production

  title={Prediction of Wettability Variation Within an Oil / Water Transition Zone and Its Impact on Production},
  author={Matthew D B Jackson and Per H. Valvatne and Martin J. Blunt},
We use a pore-scale network model in conjunction with conventional reservoir-scale simulations to investigate wettability variation within an oil/water transition zone. If the initial water saturation within the transition zone is controlled by primary drainage, we predict that initial production behavior is the same regardless of wettability. However, if the initial water saturation has been modified by movement of the free water level (FWL) following reservoir filling, then both the initial… CONTINUE READING
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