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

Prince Julius; P  N  Ananthanarayanan  and D  Mohanakumar

doi:10.17485/ijst/2015/v8i11/70681

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

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2015/v8i11/70681

Year: 2015, Volume: 8, Issue: 11, Pages:

Original Article

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

Prince Julius¹ , P. N. Ananthanarayanan¹ and D. Mohanakumar²

¹ Department of Petroleum Engineering, Amet University, Chennai - 603112, Tamil Nadu, India; prince466@gmail.com

²Bharath University, Chennai - 600073, Tamil Nadu, India

This work is licensed under a Creative Commons Attribution 4.0 International License.

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