Effects of Lean Zones on SAGD Performance

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atmire.migration.oldid3547
dc.contributor.advisorChen, Zhangxing (John)
dc.contributor.authorXu, Jinze
dc.date.accessioned2015-09-09T17:01:44Z
dc.date.available2015-11-20T08:00:36Z
dc.date.issued2015-09-09
dc.date.submitted2015en
dc.description.abstractIn Canada, both Nexen’s Long Lake and Suncor’s Firebag steam-assisted gravity drainage (SAGD) Projects reported existence of intersecting lean zones that behave as thief zones. Thoroughly understanding the effect of lean zones and improving SAGD operations with such heterogeneity are critically important in reducing the disadvantages of lean zones during SAGD production. The mechanisms of how mobile water affects the SAGD production are thoroughly studied by developing analytical transient solutions. Meanwhile, the effects of the location, thickness, size, and interval distance of lean zones on SAGD are numerically discussed. The relationship between the steam chamber volume and steam-oil ratios is also highlighted. The ten-year history match is performed based on the geological model in the Lone Lake Field. A hybrid cyclic steam stimulation (CSS)/SAGD method is furthermore proposed and studied to overcome the practical problem of low injection pressure due to lean zones.en_US
dc.identifier.citationXu, J. (2015). Effects of Lean Zones on SAGD Performance (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/25825en_US
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/25825
dc.identifier.urihttp://hdl.handle.net/11023/2444
dc.language.isoeng
dc.publisher.facultyGraduate Studies
dc.publisher.institutionUniversity of Calgaryen
dc.publisher.placeCalgaryen
dc.rightsUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. 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.
dc.subjectEngineering--Petroleum
dc.subject.classificationSAGDen_US
dc.subject.classificationLean Zoneen_US
dc.subject.classificationReservoir Simulationen_US
dc.subject.classificationGeological Modellingen_US
dc.titleEffects of Lean Zones on SAGD Performance
dc.typemaster thesis
thesis.degree.disciplineChemical and Petroleum Engineering
thesis.degree.grantorUniversity of Calgary
thesis.degree.nameMaster of Science (MSc)
ucalgary.item.requestcopytrue
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