Use of Biodiesel as an Additive in Thermal Recovery of Heavy Oil and Bitumen
- Tayfun Babadagli (University of Alberta) | Vahapcan Er (University of Alberta) | Khosrow Naderi (University of Alberta) | Zvonko Burkus (Apex Engineering Inc.) | Baki Ozum (Apex Engineering Inc.)
- Document ID
- Society of Petroleum Engineers
- Journal of Canadian Petroleum Technology
- Publication Date
- November 2010
- Document Type
- Journal Paper
- 43 - 48
- 2010. Society of Petroleum Engineers
- 7.2.1 Risk, Uncertainty and Risk Assessment, 4.1.9 Heavy Oil Upgrading, 4.1.2 Separation and Treating, 5.3.9 Steam Assisted Gravity Drainage, 7.1.5 Portfolio Analysis, Management and Optimization, 5.8.5 Oil Sand, Oil Shale, Bitumen, 2.4.3 Sand/Solids Control, 5.7.2 Recovery Factors, 7.6.1 Knowledge Management, 2.5.2 Fracturing Materials (Fluids, Proppant), 5.4.6 Thermal Methods, 7.1.9 Project Economic Analysis, 5.4.7 Chemical Flooding Methods (e.g., Polymer, Solvent, Nitrogen, Immiscible CO2, Surfactant, Vapex)
- bitumen recovery, biodiesel additives
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- 582 since 2007
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Bitumen extraction in oil sands-ore water slurry systems was studied by using lipids and lipid derivatives such as biodiesel (BD) as surfactant additive to promote bitumen recovery efficiency. Performance of BDs (i.e., canola and tall oil, a by-product of pulp mills using the bleached Kraft process) fatty acids methyl ester and food-grade fatty acids monoglycerides were evaluated as surfactant additives. Experimental findings suggest that BDs such as fatty acids methyl esters could also be used as surfactant additives to increase the efficiency of bitumen recovery in thermal in-situ processes such as steam assisted gravity drainage (SAGD) and cyclic steam stimulation (CSS) processes. The required dosage for the surfactant additive is about 0.1% of bitumen by mass. Also, interfacial tension measurements between bitumen and process water (YB,W) and BD and process water (YBD,W) support the surfactant behavior of BD.
|File Size||536 KB||Number of Pages||6|
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