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Comparison of Immiscible Displacement Performance for Micro Model and Core Scales Tests and Investigation of Scale up Methods

Mirsalari, Mohsen | 2013

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 44716 (06)
  4. University: Sharif University of Technology
  5. Department: Chemical and Petroleum Engineering
  6. Advisor(s): Masihi, Mohsen
  7. Abstract:
  8. Because of a lot of water, gas and polymer injection processes in industry, two phase flow simulation is very useful. So performing experimental work to find out fluid flow behavior in a small scale of reservoir has special importance. The results in various scales will differ because of heterogeneity and different dominant flow regimes. To see this effects, comparison of two small scales, namely core and micromodel scales, has been studied using the scale up methods. In literature review, the scale up procedure, relative permeability methods and dimensionless numbers in two phase flows has been described. Here the relative permeability and oil recovery is analyzed at different dimensionless numbers according to coreflood experiments. After coreflood experiments, micromodel patterns have been generated using different thin sections of core and a correlation between oil recovery and dimensionless numbers has been proposed and then oil recovery between micromodel and core has been compared. Finally to generate same oil recovery curves using scale up rules, dimensionless times have been used. Modification of Ma dimensionless time has been generated same oil recovery curves in different scales approximately. Having the relative permeability in core experiments, a new dimensionless time has been proposed to generate the same oil recovery curves with an acceptable approximation
  9. Keywords:
  10. Two Phase Flow ; Plug ; Scale Up method ; Capillary Number ; Micromodel ; Dimentionless Time ; Experimental Investigation

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