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Alteration of Wettability by Cationic Gemini and Conventional Surfactants for Carbonate Reservoirs

Affiliations

  • Department of Petroleum Engineering, Amet University, Chennai - 603112, Tamil Nadu, India
  • Bharath University, Chennai - 600073, Tamil Nad, India

Abstract


Carbonate reservoir properties are complicated to understand. Out of these properties altering wettability is an important property to be considered for oil recovery. The aim of this research work is to compare the amount of oil recovered by applying cationic gemini and its original form. An investigation was conducted on Cationic gemini form of Cetyl Tri Alkyl Bromide (CTAB) and its conventional form on carbonate cores for wettability alteration. The concentrations for surfactants were selected on the basis of conductivity test. During core flooding oil recovery through these surfactants has been compared. Gemini 16-3-16,2Br has shown 0.35 pore volume additional recovery than CTAB.

Keywords

Adsorption, Cationic Surfactant, CMC, Gemini Surfactant, Wettability

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References


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