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THE EFFECT OF WATER SALINITY AND RESERVOIR TEMPERATURE ON SILICA DISSOLUTION DURING ASP FLOOD

ALRAHMAN AHMED, AHMED FATAH (2015) THE EFFECT OF WATER SALINITY AND RESERVOIR TEMPERATURE ON SILICA DISSOLUTION DURING ASP FLOOD. Masters thesis, Universiti Teknologi PETRONAS.

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Abstract

Silica scale is one ofthe critical limiting factors that affects production wells during Alkaline-Surfactant-Polymer (ASP) flooding in sandstone reservoirs. The Injection of ASP slug in sandstone reservoir results in silica dissolution, which causes significant changes in porosity and permeability. In this study, aseries of static experiments were performed first to investigate the effect of brine salinity, brine hardness and ASP components on silica dissolution at different temperatures, using Berea sandstone samples. The changes in the sand mineralogy and silica content were identified using Scanning Electron Microscopy (SEM) attached to Energy Dispersive X-RAY (EDX) before and after saturation with various brine salinities. Thin section analysis was used also to examine the effect ofsilica dissolution on the surface ofslide core sample before and after saturation.

Item Type: Thesis (Masters)
Academic Subject : Academic Department - Petroleum Geosciences - Petroleum Engineering - Reservoir management - Gas reservoir management
Subject: Q Science > QE Geology
Divisions: Geoscience and Petroleum Engineering
Depositing User: Ahmad Suhairi Mohamed Lazim
Date Deposited: 19 Sep 2021 21:07
Last Modified: 19 Sep 2021 21:07
URI: http://utpedia.utp.edu.my/id/eprint/21501

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