Investigation of Enhanced Oil Recovery (EOR) Surfactants on Clay Mixed Sandstone Reservoirs for Adsorption

Prince Julius; P  N  Ananthanarayanan and V  Srinivasan

doi:10.17485/ijst/2015/v8i14/70695

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Investigation of Enhanced Oil Recovery (EOR) Surfactants on Clay Mixed Sandstone Reservoirs for Adsorption

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2015/v8i14/70695

Year: 2015, Volume: 8, Issue: 14, Pages: 1-4

Original Article

Investigation of Enhanced Oil Recovery (EOR) Surfactants on Clay Mixed Sandstone Reservoirs for Adsorption

Prince Julius^*, P. N. Ananthanarayanan and V. Srinivasan

Department of Petroleum Engineering, AMET University, Chennai, 603112, India; [email protected]

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

Abstract

Adsorption of surfactants on sandstones leads to reduce in recovery efficiency of oil. This is caused mainly because of clay presence. Most of the water flooding projects has been stopped, when clay is present. Even surfactants are adsorbed due to clay. The aim of this research work is to reduce the adsorption of surfactants for different pH clay mixed sandstones. Three clay sandstones as crushed samples with different pH levels have been tested to observe the adsorption of Anionic surfactants Sodium Dodecyl Sulphonate (SDS) through bottle test. There was no significant adsorption found on pH 3 and above. Adsorption of SDS on pH 2 clay sandstone has reduced due to increase in alkalinity by application of Sodium Carbonate (Na2 CO3 ).

Keywords: Adsorption, Clay Sandstone, Surfactants, SDS, Wettability