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SHORT PERIOD OF STUDY ON THE POREWALL STABILITY OF CARBONATE ROCK IN PERAK

TING, FONG YUH (2011) SHORT PERIOD OF STUDY ON THE POREWALL STABILITY OF CARBONATE ROCK IN PERAK. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

There is a gap of knowledge on the dissolution kinetics of carbonaterocks originating from Malaysia This information is critical for C02 sequestration and EOR endeavours. Samples of carbonate rocks were taken from SimpangPulai and Sungai Siput area of Perak, Malaysia. Theobjective of this study was to evaluate the kinetics of dissolution of these carbonate rocks using two types of acids namely hydrochloric and acetic acid. These acids represent inorganic and organic acids respectively. Low concentration of O.OlM was used to simulate [H+]concentrations in C02 sequestration situations. The low concentration ofacid also enables us to better understand the dissolution rates of thecarbonate rocks. The experiments were done at room temperature. Thisapproach also enables us to better understand the change in the strengthof the carbonate rock after acid dissolution. Porosity and permeabilitychanges were recorded intermittently. The preliminary results show thatdissolution kinetics is dependent on the resident fabric of the rock andthe type of complexation ions present. Re-precipitation of ' ' carbouateminerals was not observed during ~e experiments.

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petrophysics - Data integration and field studies
Subject: T Technology > T Technology (General)
Divisions: Geoscience and Petroleum Engineering
Depositing User: Users 2053 not found.
Date Deposited: 08 Nov 2013 11:46
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/10432

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