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dc.contributor.authorChen, Zhangxing (John)
dc.contributor.authorYou, L.
dc.contributor.authorZhang, W.
dc.contributor.authorKang, Y.
dc.contributor.authorLiu, X.
dc.description.abstractLong-term effectiveness of rock wettability alteration for water removal during gas production from tight reservoir depends on the surfactant adsorption on the pore surface of a reservoir. This paper selected typical cationic fluorosurfactant FW-134 as an example and took advantage of Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), and atomic force microscope (AFM) to investigate its adsorption stability on the rock mineral surface under the oscillation condition at high temperature for a long time. The experimental results indicate that the F element content on the sample surface increases obviously, the surface structure of fluorine-carbonization also undergoes a significant change, and the fluorine surfactant exhibits a good interfacial modification and wettability alteration ability due to its adsorption on the pore surface transforming the chemical structure of the original surface. The adsorption increases indistinctly with the concentration of over 0.05% due to a single layer adsorption structure and is mainly electrostatic adsorption because the chemical bonding between the fluorosurfactant and the rock mineral surface, the hydrogen bonding, is weak and inconspicuous.en_US
dc.description.sponsorshipIndustrial consortium in Reservoir Simulation and Modelling; Foundation CMG; Alberta Innovates.en_US
dc.publisherJournal of Chemistry, vol. 2015en_US
dc.relation.ispartofseriesArticle ID 980439;8 pages
dc.titleStability of fluorosurfactant absorption on mineral surface for water removal in tight gas reservoirsen_US
dc.typejournal article
dc.publisher.facultySchulich School of Engineeringen_US
dc.identifier.grantnumberNSERC: IRCPJ365863-12; AITF: G203000197; AIEES: 3130.en_US
dc.publisher.departmentChemical & Petroleum Engineeringen_US
dc.publisher.institutionUniversity of Calgaryen_US

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