The Role of Alkaline Chemicals in Oil Displacement Mechanisms

  • T. C. Campbell

Abstract

Alkaline inorganic chemicals such as sodium silicates, sodium hydroxides, sodium carbonate, and sodium phosphates have been added to injection fluids used in enhanced oil recovery systems. These chemicals can, in varying degrees, affect various rock and fluid parameters such as interfacial tension, interfacial viscosity, emulsion stability, rock wettability, hardness-ion content, ionexchange capacity or equilibria, surfactant adsorption, phase equilibria, etc., in order to improve recovery efficiency for residual oil remaining after waterflooding.

Keywords

Clay Permeability Surfactant Silicate Sandstone 

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Copyright information

© Springer Science+Business Media New York 1981

Authors and Affiliations

  • T. C. Campbell
    • 1
  1. 1.The PQ CorporationResearch & Development CenterLafayette HillUSA

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