In Situ Combustion for Heavy Oil: Toe-to-Heel Air Injection

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dc.contributor.advisorGates, Ian Donald
dc.contributor.authorWei, Wei
dc.contributor.committeememberHejazi, Seyed Hossein
dc.contributor.committeememberHu, Jinguang
dc.contributor.committeememberHuang, Haiping
dc.contributor.committeememberJiang, Qi
dc.date2021-02
dc.date.accessioned2021-01-06T16:50:38Z
dc.date.available2021-01-06T16:50:38Z
dc.date.issued2020-12-22
dc.description.abstractGiven the environmental impact and relatively high cost of steam-based recovery processes for oil sands reservoirs, there is a search for other recovery processes that yield greater efficiency and lower operating costs. Air injection based recovery processes offer potential for improved efficiency given that the heat is generated within the reservoir. However, industry has been reluctant to adopt air injection methods for oil sands reservoirs. In the research documented in this thesis, a detailed examination of the Kerrobert toe-to-heel air injection (THAI) process is conducted by using data analytics. The current operator of the facility has provided all of the data for the operation including injection and production rates, temperatures, pressures, gas compositions, and facility data. Four studies were conducted: 1. Detailed analysis of causal relationships between injectants and production rates, gas composition, and temperature rise within the reservoir through manual examination of the data, 2. Clustering analysis of operational variables and seek for optimal operating strategy to maximize production rate, 3. Lag time analysis between injection and production to explain the underlying production mechanisms in THAI, and 4. Understand the reaction systems in THAI using produced gas compositions through an inverse calculation approach.en_US
dc.identifier.citationWei, W. (2020). In Situ Combustion for Heavy Oil: Toe-to-Heel Air Injection (Doctoral thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca.en_US
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/38508
dc.identifier.urihttp://hdl.handle.net/1880/112916
dc.language.isoengen_US
dc.publisher.facultySchulich School of Engineeringen_US
dc.publisher.institutionUniversity of Calgaryen
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.en_US
dc.subjectIn situ combustionen_US
dc.subjectToe-to-Heel Air Injectionen_US
dc.subjectOil sandsen_US
dc.subjectAir Injectionen_US
dc.subjectTHAIen_US
dc.subjectHeavy oilen_US
dc.subject.classificationEnergyen_US
dc.subject.classificationEngineeringen_US
dc.subject.classificationEngineering--Petroleumen_US
dc.titleIn Situ Combustion for Heavy Oil: Toe-to-Heel Air Injectionen_US
dc.typedoctoral thesisen_US
thesis.degree.disciplineEngineering – Chemical & Petroleumen_US
thesis.degree.grantorUniversity of Calgaryen_US
thesis.degree.nameDoctor of Philosophy (PhD)en_US
ucalgary.item.requestcopyfalseen_US
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