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Comparison between Two Surfactants (Sodium Oleate and Sodium Stearate)As Drag Reducing Agent in Water System

ROSSHAMILA AFIFAH BINTI MUDA, ROSSHAMILA AFIFAH (2012) Comparison between Two Surfactants (Sodium Oleate and Sodium Stearate)As Drag Reducing Agent in Water System. Universiti Teknologi Petronas. (Unpublished)

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Abstract

This project aim is to study the effectiveness of surfactants which are Sodium Oleate and Sodium Stearate as Drag reducing agents in water injection system. In the life reservoir, there will come to a point where it will be no longer being able to produce for hydrocarbon. At this stage, we usually prefer to use secondary recovery to boost up the performance of the reservoir back. One of the many choices for secondary recovery is by using water injection. In water injection system, it will require a very long pipeline to inject water into reservoir. What the engineers are being concern about is the large pressure drop that might happen along the pipeline. Theoretically explain, the large pressure loss is caused by the frictional forces between the walls of the pipe with the turbulence fluid flowing through it. it is found that the longer the pipeline, the higher the pressure drop will be. So by making two different types of surfactants as DRA, which are Sodium Oleate and Sodium Stearate, we will be able to investigate which one performed better as DRA in water injection system. The experiment is done in a lab consist of 4metre pipeline with two pressure gauges which will measure the pressure drop of liquid. Before that, a total of 8 concentrations of Sodium Oleate and Sodium Stearate are prepared using distilled water and magnetic stirrer. For every concentration, we made two samples so that we can take average measurement of respective concentrations. From the experiment done, it is shown that Sodium Stearate shows a better result performing as DRA compared to Sodium Oleate because at 600ppm, Sodium Stearate gives the lowest average pressure drop which is 7.25psi. While for average flow rate, Sodium Stearate gives the highest at 400ppm which is 37.41gpm. The highest %DR and %FI for Sodium Stearate are 47.22% and 42.66% respectively. So in conclusion, Sodium Stearate shows a better ability as DRA in water pipeline system compared to Sodium Oleate. This shows the study of surfactants DRA is important because it can help to reduce drag problem which is a major problem in our oil industry.

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petroleum Engineering - Reservoir Engineering - Reservoir rocks
Subject: T Technology > TN Mining engineering. Metallurgy
Divisions: Geoscience and Petroleum Engineering
Depositing User: Users 2053 not found.
Date Deposited: 04 Mar 2013 09:43
Last Modified: 25 Jan 2017 09:40
URI: http://utpedia.utp.edu.my/id/eprint/5728

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