Imaging analysis of fines migration during water flow with salinity alteration
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Yu, M; Hussain, Furqan; Arns, Ji-Youn; Bedrikovetsky, Pavel G; Genolet, Luis Carlos; Behr, Aron; Kowollik, Patrick; Arns, Christoph
Description
Fines migration is considered one of the mechanisms of permeability alteration associated with water injection in aquifers and oil reservoirs. However, there has been limited direct evidence of fines migration. This paper presents conclusive evidence for the migration and capture of fines, obtained from experiments utilising 3D micro-CT imaging. A single-phase flooding experiment was performed on a Berea sandstone core plug. First, a micro-CT image of the dry core plug was taken before...[Show more]
dc.contributor.author | Yu, M | |
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dc.contributor.author | Hussain, Furqan | |
dc.contributor.author | Arns, Ji-Youn | |
dc.contributor.author | Bedrikovetsky, Pavel G | |
dc.contributor.author | Genolet, Luis Carlos | |
dc.contributor.author | Behr, Aron | |
dc.contributor.author | Kowollik, Patrick | |
dc.contributor.author | Arns, Christoph | |
dc.date.accessioned | 2019-04-16T08:45:02Z | |
dc.identifier.issn | 0309-1708 | |
dc.identifier.uri | http://hdl.handle.net/1885/160361 | |
dc.description.abstract | Fines migration is considered one of the mechanisms of permeability alteration associated with water injection in aquifers and oil reservoirs. However, there has been limited direct evidence of fines migration. This paper presents conclusive evidence for the migration and capture of fines, obtained from experiments utilising 3D micro-CT imaging. A single-phase flooding experiment was performed on a Berea sandstone core plug. First, a micro-CT image of the dry core plug was taken before flooding. Then the core plug was saturated with 4% NaCl brine, further injected with 4% NaCl brine, and finally flushed with fresh water. The pressure difference across the core plug was monitored during these fluid injections, and produced water samples were analysed for fines concentration and type by combining particle counting methods and Scanning Electron Microscope – Energy Dispersive Spectroscopy (SEM-EDS) analysis. After the flooding experiment, the core plug was reimaged, and the second micro-CT image was compared to the first to quantify the fines migration. Laboratory measurements showed an 80% decrease in permeability during fresh water injection, which was accompanied by a large concentration of fines in the produced-water samples. SEM-EDS analysis of those fines showed them to be clay. Comparison of initial and final tomogram images showed increased micro-CT intensity in the flow direction near the core outlet, due to relocation of clay. Permeability computations made on micro-CT images showed a 50% decrease in permeability during fresh water injection, due to fines straining near the core outlet. Modelling of retention concentration along the core length and of breakthrough fines concentration versus pore volume injected indicated that fines retention was nonlinear. | |
dc.format.mimetype | application/pdf | |
dc.language.iso | en_AU | |
dc.publisher | Elsevier | |
dc.source | Advances in Water Resources | |
dc.title | Imaging analysis of fines migration during water flow with salinity alteration | |
dc.type | Journal article | |
local.description.notes | Imported from ARIES | |
local.identifier.citationvolume | 121 | |
dc.date.issued | 2018 | |
local.identifier.absfor | 090508 - Water Quality Engineering | |
local.identifier.ariespublication | u4485658xPUB1497 | |
local.type.status | Published Version | |
local.contributor.affiliation | Yu, M, UNSW | |
local.contributor.affiliation | Hussain, Furqan, University of New South Wales | |
local.contributor.affiliation | Arns, Ji-Youn, College of Science, ANU | |
local.contributor.affiliation | Bedrikovetsky, Pavel G, University of Adelaide | |
local.contributor.affiliation | Genolet, Luis Carlos, Wintershall Holding GmbH | |
local.contributor.affiliation | Behr, Aron, Wintershall Holding GmbH | |
local.contributor.affiliation | Kowollik, Patrick, Wintershall Holding GmbH | |
local.contributor.affiliation | Arns, Christoph, University of New South Wales | |
local.description.embargo | 2040-01-01 | |
local.identifier.doi | 10.1016/j.advwatres.2018.08.006 | |
local.identifier.absseo | 960611 - Urban Water Evaluation (incl. Water Quality) | |
local.identifier.absseo | 960608 - Rural Water Evaluation (incl. Water Quality) | |
dc.date.updated | 2019-03-12T07:29:08Z | |
local.identifier.scopusID | 2-s2.0-85052629947 | |
local.identifier.thomsonID | 000447617000011 | |
dc.provenance | Journal: Advances in Water Resources (ISSN: 0309-1708) RoMEO: This is a RoMEO green journal Paid OA: A paid open access option is available for this journal. Author's Pre-print: green tick author can archive pre-print (ie pre-refereeing) Author's Post-print: green tick author can archive post-print (ie final draft post-refereeing) Publisher's Version/PDF: cross author cannot archive publisher's version/PDF | |
Collections | ANU Research Publications |
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