Understanding CO2-brine-wellbore cement-rock interactions for CO2 storage

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Title: Understanding CO2-brine-wellbore cement-rock interactions for CO2 storage
Authors: Farooqui, NM
Liu, Q
Maroto-Valer, MM
Mosleh, MH
Korre, A
Durucan, S
Item Type: Conference Paper
Abstract: There is a need to improve our understanding of wellbore integrity by conducting investigations into the flow, geomechanical and geochemical properties of cement and reservoir rocks under conditions representative of subsurface temperatures and pressures at the wellbore. A series of composite cement-host rock core samples were prepared and subjected to baseline flow and mechanical properties testing to determine porosity, permeability, strength and elastic properties. The hydrothermal experiments conducted have shown that variations in the solution profiles of Ca, Mg, and Fe were due to the dissolution of CO 2 for all sets of samples. The dissolution of muscovite and montmorillonite from the composite core samples resulted in increasing concentrations of Na, K and S.
Issue Date: 18-Aug-2017
Date of Acceptance: 14-Nov-2016
URI: http://hdl.handle.net/10044/1/54698
DOI: https://dx.doi.org/10.1016/j.egypro.2017.03.1676
ISSN: 1876-6102
Publisher: Elsevier
Start Page: 5206
End Page: 5211
Journal / Book Title: Energy Procedia
Volume: 114
Copyright Statement: © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Sponsor/Funder: Natural Environment Research Council (NERC)
Engineering & Physical Science Research Council (EPSRC)
Funder's Grant Number: NE/H01392X/1
Conference Name: 13th International Conference on Greenhouse Gas Control Technologies, GHGT-13
Publication Status: Published
Start Date: 2016-11-14
Finish Date: 2016-11-18
Conference Place: Lausanne, Switzerland
Appears in Collections:Faculty of Engineering
Earth Science and Engineering

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