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Investigation of Suitable Surfactants in Enhanced Oil Recovery (EOR)

Seli, Phyllis (2005) Investigation of Suitable Surfactants in Enhanced Oil Recovery (EOR). Universiti Teknologi Petronas. (Unpublished)

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Abstract

This Final Year Research Project involves the study of the various Enhanced Oil recovery techniques with special emphasis on the use of surfactants in enhanced oil recovery. Study involves literature review of various studies done on the enhanced recovery techniques; chemical flooding, miscible and immiscible displacements techniques and also thermal recovery. Objective of the project is then to study in detail the mechanisms used in each of the recovery techniques and also to investigate the advantages and also the limitations. This paper also review the use of surfactants in different chemical flooding methods surfactant-polymer, micellar-polymer flooding and also alkaline surfactant polymerflooding (ASP). The study, in particular emphasize on the mechanisms of chemical flooding through reduction of interfacial tension and also alteration of wettability. Optimum oil recovery occurs at ultra-low interfacial tension which is made possible through the addition of surfactants into the oil-brine system. Wettability is defined as the adhesion tension between the rock and the fluids contacting the rock. Water-wet conditions provide optimum conditions for enhanced oil recovery as compared to an oil-wet system. In choosing the best enhanced oil recovery method, it is highly dependent on the reservoir conditions and crude oil characteristics. Chemical flooding and miscible/immiscible displacement processes are suitable for low to medium viscous crude oil while thermal recovery methods are highly successful in recovering heavy viscous crude oil.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Process System Engineering
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:55
Last Modified: 25 Jan 2017 09:46
URI: http://utpedia.utp.edu.my/id/eprint/7669

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