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The Impact of Temperature on the Effectiveness of Surfactant to Change the Wettability

ABDUL RAHIM, ZAHIDAH (2011) The Impact of Temperature on the Effectiveness of Surfactant to Change the Wettability. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Utilization of surfactants is one of the methods for wettability alteration of reservoir rock, from oil wet into water wet by reducing the interfacial tension. Studying of wettability alteration mechanism using surfactants has been emphasized by researches. Later on, many researchers have focused on surfactants capability of tolerating on a condition created by increasing temperature to increase their ultimate recovenes. However the wettability of porous media is difficult to observe directly during the injection of the surfactant process. Many differ in opinion among researchers for the exact temperature on the effectiveness of surfactant and contact angle to recover the oil. Therefore, experimental study needs to be perfonned to observe the changes in contact angle at the optimum temperature.The objective of this experimental study is to investigate the impact of different temperatures, rangmg from so'C-120'c on the surfactant's performance in altering the wettability of a rock. In this study, sessile up method for contact angle measurement have been made using Berea sandstone core sample, Dulang crude oil in the presence of Sodium Dodecyl Sulfate (SDS) surfactant at pressure 200 psia and constant salinity of 5000ppm. The experiment is being conducted using the Interfacial Tension 700 (IFT700) tool and measured the contact angle. The changes in contact angle when temperatures are increasing have been evaluated. The contact angle is found to decrease from 110' to 48' as the temperature increase. The wettability has been enhanced and changed from oil wet to water wet means contact angle decreasing as temperature increases, leading to increase the oil recovery.

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petroleum Engineering - Reservoir Engineering - Reservoir fluid properties
Subject: T Technology > T Technology (General)
Divisions: Geoscience and Petroleum Engineering
Depositing User: Users 2053 not found.
Date Deposited: 08 Nov 2013 11:38
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/10357

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