Investigation of silica nanoparticle-polymer hybrid stability under high temperature and salinity for oil displacement application

Polymer flooding is one of the most often utilised enhanced oil recovery (EOR) techniques because it provides excellent recovery. Polymer flooding enhances sweep efficiency and reduce viscous fingering severity by increasing fluid and oil mobility. Due to excellent viscosifying nature, and well-know...

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Main Author:	Ra’eis, Amer Iskandar
Format:	Thesis
Language:	English
Published:	2023
Subjects:	Q Science (General) TP Chemical technology
Online Access:	http://eprints.utm.my/id/eprint/102512/1/AmerIskandarRaeisMSChE2023.pdf
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spelling	my-utm-ep.1025122023-09-03T06:33:45Z Investigation of silica nanoparticle-polymer hybrid stability under high temperature and salinity for oil displacement application 2023 Ra’eis, Amer Iskandar Q Science (General) TP Chemical technology Polymer flooding is one of the most often utilised enhanced oil recovery (EOR) techniques because it provides excellent recovery. Polymer flooding enhances sweep efficiency and reduce viscous fingering severity by increasing fluid and oil mobility. Due to excellent viscosifying nature, and well-known physiochemical properties, partially hydrolyzed polyacrylamide (HPAM) is the polymer most often utilised for the application. However, high temperatures restrict its application because polymer will acts as shear-thinning, such it undergoes shear degradation and reduces viscosity at high shear rates and quickly destabilized and therefore unable to achieve the expected effects. High salinity also causes the molecular chain of the polymer to collapse, which results in a much smaller molecule and hence, produces a lower viscosity solution. Adding nanoparticle to polymer solutions is now required to alter their properties. Therefore, this study aims to investigate the effect of silicon dioxide nanoparticles (SiO2) addition to the stability of HPAM at high temperatures and salinity. The shear viscosity and the flooding performance at high temperature and high salinity gauge the stability of HPAM and the hybrid HPAM- SiO2. A series of stability measurements as well as core flooding experiment with variations of conditions were conducted in order to know the improvement offered by this nanoparticle towards HPAM polymer. At a temperature of 110 0C, the addition of 1 wt% SiO2 nanoparticle have enhanced the viscosity of 0.015 wt% HPAM, from 3.4 cP to 6.8 cP. This resulted in an almost 90% oil recovery rate. It also strengthened HPAM's salt tolerance at concentration of 5 wt% of NaCl by raising its viscosity up to 4.6 cP. This HPAM hybrid also have improve the oil recovery factor for this condition as well up to 85%. In conclusion, adding nanoparticles to HPAM will unquestionably increase the stability and potentially be used in EOR operations. 2023 Thesis http://eprints.utm.my/id/eprint/102512/ http://eprints.utm.my/id/eprint/102512/1/AmerIskandarRaeisMSChE2023.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:152370 masters Universiti Teknologi Malaysia, Faculty of Engineering - School of Chemical & Energy Engineering Faculty of Engineering - School of Chemical & Energy Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	Q Science (General) TP Chemical technology
spellingShingle	Q Science (General) TP Chemical technology Ra’eis, Amer Iskandar Investigation of silica nanoparticle-polymer hybrid stability under high temperature and salinity for oil displacement application
description	Polymer flooding is one of the most often utilised enhanced oil recovery (EOR) techniques because it provides excellent recovery. Polymer flooding enhances sweep efficiency and reduce viscous fingering severity by increasing fluid and oil mobility. Due to excellent viscosifying nature, and well-known physiochemical properties, partially hydrolyzed polyacrylamide (HPAM) is the polymer most often utilised for the application. However, high temperatures restrict its application because polymer will acts as shear-thinning, such it undergoes shear degradation and reduces viscosity at high shear rates and quickly destabilized and therefore unable to achieve the expected effects. High salinity also causes the molecular chain of the polymer to collapse, which results in a much smaller molecule and hence, produces a lower viscosity solution. Adding nanoparticle to polymer solutions is now required to alter their properties. Therefore, this study aims to investigate the effect of silicon dioxide nanoparticles (SiO2) addition to the stability of HPAM at high temperatures and salinity. The shear viscosity and the flooding performance at high temperature and high salinity gauge the stability of HPAM and the hybrid HPAM- SiO2. A series of stability measurements as well as core flooding experiment with variations of conditions were conducted in order to know the improvement offered by this nanoparticle towards HPAM polymer. At a temperature of 110 0C, the addition of 1 wt% SiO2 nanoparticle have enhanced the viscosity of 0.015 wt% HPAM, from 3.4 cP to 6.8 cP. This resulted in an almost 90% oil recovery rate. It also strengthened HPAM's salt tolerance at concentration of 5 wt% of NaCl by raising its viscosity up to 4.6 cP. This HPAM hybrid also have improve the oil recovery factor for this condition as well up to 85%. In conclusion, adding nanoparticles to HPAM will unquestionably increase the stability and potentially be used in EOR operations.
format	Thesis
qualification_level	Master's degree
author	Ra’eis, Amer Iskandar
author_facet	Ra’eis, Amer Iskandar
author_sort	Ra’eis, Amer Iskandar
title	Investigation of silica nanoparticle-polymer hybrid stability under high temperature and salinity for oil displacement application
title_short	Investigation of silica nanoparticle-polymer hybrid stability under high temperature and salinity for oil displacement application
title_full	Investigation of silica nanoparticle-polymer hybrid stability under high temperature and salinity for oil displacement application
title_fullStr	Investigation of silica nanoparticle-polymer hybrid stability under high temperature and salinity for oil displacement application
title_full_unstemmed	Investigation of silica nanoparticle-polymer hybrid stability under high temperature and salinity for oil displacement application
title_sort	investigation of silica nanoparticle-polymer hybrid stability under high temperature and salinity for oil displacement application
granting_institution	Universiti Teknologi Malaysia, Faculty of Engineering - School of Chemical & Energy Engineering
granting_department	Faculty of Engineering - School of Chemical & Energy Engineering
publishDate	2023
url	http://eprints.utm.my/id/eprint/102512/1/AmerIskandarRaeisMSChE2023.pdf
_version_	1776100940679479296

Investigation of silica nanoparticle-polymer hybrid stability under high temperature and salinity for oil displacement application

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