Identification of Geochemical Processes During Hydraulic Fracturing of a Shale Gas Reservoir: A Controlled Field and Laboratory Water‐Rock Interaction Experiment

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dc.contributor.authorHuang, Tianming
dc.contributor.authorLi, Zhenbin
dc.contributor.authorMayer, Bernhard
dc.contributor.authorNightingale, Michael
dc.contributor.authorLi, Xiao
dc.contributor.authorLi, Guanfang
dc.contributor.authorLong, Yin
dc.contributor.authorPang, Zhonghe
dc.date.accessioned2022-09-02T20:58:14Z
dc.date.available2022-09-02T20:58:14Z
dc.date.issued2020-10-28
dc.descriptionHuang, T., Li, Z., Mayer, B., Nightingale, M., Li, X., Li, G., et al. (2020). Identification of geochemical processes during hydraulic fracturing of a shale gas reservoir: A controlled field and laboratory water‐rock interaction experiment. Geophysical Research Letters, 47, e2020GL090420. https://doi. org/10.1029/2020GL090420en_US
dc.description.abstractA detailed study on geochemical processes following hydraulic fracturing can provide important information on the origin of solutes and potential improvement of fracturing technology. However, this remains difficult due to the low resolution of flowback water and high salinity of formation water. To fill this knowledge gap, a shale-gas well was drilled and freshwater was used to fracture the shale. In parallel, laboratory water-rock interaction experiments were conducted. The intensive sampling for flowback water and the use of multiple isotopes provided novel and detailed insights into the water-rock interactions after hydraulic fracturing. The results showed that beyond mixing processes, cation exchange, adsorption/desorption, and barite precipitation were observed both in the laboratory and field studies. Although oxidation of pyrite was observed in most of the laboratory experiments, our findings demonstrate that this process was not evident in field flowback samples that were dominated by mixing of fracturing fluids and formation water.en_US
dc.description.grantingagencyOtheren_US
dc.identifier.citationHuang, T., Li, Z., Mayer, B., Nightingale, M., Li, X., Li, G., Long, Y., & Pang, Z. (2020). Identification of Geochemical Processes During Hydraulic Fracturing of a Shale Gas Reservoir: A Controlled Field and Laboratory Water-Rock Interaction Experiment. Geophysical Research Letters, 47(20), e2020GL090420. https://doi.org/10.1029/2020GL090420en_US
dc.identifier.doihttp://dx.doi.org/10.1029/2020GL090420en_US
dc.identifier.issn1944-8007
dc.identifier.urihttp://hdl.handle.net/1880/115155
dc.identifier.urihttps://doi.org/10.11575/PRISM/46099
dc.language.isoengen_US
dc.publisherWiley Subscription Services, Inc.en_US
dc.publisher.departmentGeoscienceen_US
dc.publisher.facultyScienceen_US
dc.publisher.hasversionpublishedVersionen_US
dc.publisher.institutionUniversity of Calgaryen_US
dc.publisher.policyhttps://www.agu.org/Publish-with-AGU/Publish/Author-Resources/Policies/Permission-policyen_US
dc.rightsUnless otherwise indicated, this material is protected by copyright and has been made available with authorization from the copyright owner. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.en_US
dc.titleIdentification of Geochemical Processes During Hydraulic Fracturing of a Shale Gas Reservoir: A Controlled Field and Laboratory Water‐Rock Interaction Experimenten_US
dc.typejournal articleen_US
ucalgary.item.requestcopyfalseen_US
ucalgary.scholar.levelFacultyen_US
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