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Case Studies for Optimizing Heat Exchanger Networks in Steam-assisted Gravity Drainage Oil Sands Plant
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 Title & Authors
Case Studies for Optimizing Heat Exchanger Networks in Steam-assisted Gravity Drainage Oil Sands Plant
Cho, Eunbi; Jeong, Moon; Kang, Choonhyoung;
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Oil sands are a mixture of sand, clay, and a high-viscosity petroleum called bitumen. Steam-Assisted Gravity Drainage (SAGD) is the most viable and environmentally safe recovery technology for extracting bitumen. It extracts the viscosity-lowered bitumen by high pressure, high temperature steam injected into the bitumen reservoir. The steam is produced at the Central Processing Facility (CPF). Typically, more than 90% of the energy consumed in producing bitumen are used to generate the steam. Fuels are employed in the process, which cause economic and environmental problems. This paper explores the retrofit of heat exchanger network to reduce the usage of hot and cold utilities. The hot and cold utilities are reduced respectively 6% and 37.3% which in turn resulted in 5.3% saving of total annual cost by improving the existing heat exchanger network of the CPF.
Oil Sands;Steam-Assisted Gravity Drainage;Central Processing Facility;Pinch Analysis;Heat Integration;
 Cited by
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