The use of polymer-gel remediation for CO2 leakage through faults and fractures in the caprock

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Title: The use of polymer-gel remediation for CO2 leakage through faults and fractures in the caprock
Authors: Mosleh, MH
Govindan, R
Shi, JQ
Durucan, S
Korre, A
Item Type: Conference Paper
Abstract: This paper presents the results of numerical modelling carried out to investigate the application of polymer-gel barriers for remediation of CO 2 leakage through faults or fracture zones in the caprock. The chemical flooding reservoir simulator UTCHEM was used for polymer-gel injections and assessment of the area of influence. Sensitivity analyses were performed to account for the effect of other crosslinkers other than chromium on the kinetics of gelation process. Subsequently, a numerical model of a saline aquifer was setup to carry out the reservoir simulations of CO 2 injection into a storage reservoir using Schlumberger's Eclipse 300 (E300) software. The amount of CO 2 leaked into a shallower formation through a sub-seismic fault was monitored and CO 2 injection was temporarily stopped for leakage remediation. The injection of polymer-gel solution was simulated and the area of influence and volume of polymer-gel needed were estimated for a number of scenarios. CO 2 injection was then resumed and the efficiency of the polymer-gel treatment was assessed for each scenario.
Issue Date: 18-Aug-2017
Date of Acceptance: 14-Nov-2016
URI: http://hdl.handle.net/10044/1/54697
DOI: https://dx.doi.org/10.1016/j.egypro.2017.03.1557
ISSN: 1876-6102
Publisher: Elseiver
Start Page: 4164
End Page: 4171
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)
Commission of the European Communities
Funder's Grant Number: NE/H01392X/1
EP/K035967/1
608608
Conference Name: 13th International Conference on Greenhouse Gas Control Technologies, GHGT-13
Publication Status: Published
Start Date: 2016-11-18
Finish Date: 2016-11-18
Conference Place: Lausanne, Switzerland
Appears in Collections:Faculty of Engineering
Earth Science and Engineering



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