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ENHANCED OIL RECOVERY (EOR) BY USING EM TRANSMITTER AND COBALT FERRITE MAGNETIC NANOPARTICLES

MOHD YUSOF, NOORASIKIN (2011) ENHANCED OIL RECOVERY (EOR) BY USING EM TRANSMITTER AND COBALT FERRITE MAGNETIC NANOPARTICLES. Universiti Teknologi Petronas. (Unpublished)

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Abstract

It is practically impossible to extract crude oil from a reservoir completely. There are four common methods of Enhanced Oil Recovery (EOR) used in the industry which are thermal recovery; chemical injection; gas injection; and ultrasonic approach. The idea of this project is to improve the existing Enhanced Oil Recovery (EOR) methods, where Electromagnetic (EM) transmission system is going to be used as a safer, cheaper, reusable and simple tool that can help to increase the production of crude oil in industry. This project deals with synthesis of cobalt ferrite, CoFez04. nanoparticles via sol- gel method. Crystallography, chemical composition and morphology of the samples were analyzed by using XRay Diffractometer (XRD), Field Emission Scanning Electron Microscope (FESEM) and Energy Dispersive X-Ray (EDX). By using XRD result, the crystallite size of the mixture annealed at 800°C is 5.117lnm, calculated by using Scherer's equation. FESEM result shows the grain size is in range 26nm-36nm. From EDX result, Cobalt ferrite sample anneal at 800°C is chosen because it has lower standard deviation of Co, Fe, and 0 which are 24%, 7.18% and 9.59% respectively. The initial permeability of cobalt ferrite powder was found to increase and relative loss factor decreased at high frequency. Hence, cobalt ferrite prepared at 800°C exhibit good crystal structure, fine grain size, and good magnetic properties. Cobalt ferrite nanofluid was prepared by dispersing 5g cobalt ferrite nanopowder and 5g Sodium Dodecyl Sulphate (SDS) in SOOml deionized water and ultrasonicated for 2 hours, which then injected into a packed glass bead column (reservoir model). Electromagnetic (EM) wave transmission system is used with nanofluid injection to the reservoir model that helps to reduce the interfacial tension of the oil and water. This is because the nanofluid (cobalt ferrite) plays as electromagnetic wave absorption material, where the molecules start to vibrate, moving apart more frequently and thus disturb the compatibility at oil-water interfaces. Hence, the mobility of oil will improve. After conducting experiment with transmitter with nanofluid injection, about 31.58% oil IS recovered from residual oil in place (ROIP).

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petroleum Engineering - Reservoir Engineering - EOR and IOR - Enhanced oil recovery
Subject: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Engineering > Electrical and Electronic
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:50
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/7329

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