2008
DOI: 10.1016/s1876-3804(08)60016-6
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New technology for heavy oil exploitation wastewater reused as boiler feedwater

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Cited by 16 publications
(4 citation statements)
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“…Heat transfer characteristics of superheated steam The intensity of steam heat transfer in the wellbore and formation is usually measured by heat transfer coefficient in thermodynamics. The physical meaning of heat transfer coefficient is the unit heat pass through the unit heat transfer area in the per unit time under 1 o C temperature difference [5][6][7] . Obviously, the greater the heat transfer coefficient, the more the heat transfer per unit time.…”
Section: Properties Of Superheated Steammentioning
confidence: 99%
“…Heat transfer characteristics of superheated steam The intensity of steam heat transfer in the wellbore and formation is usually measured by heat transfer coefficient in thermodynamics. The physical meaning of heat transfer coefficient is the unit heat pass through the unit heat transfer area in the per unit time under 1 o C temperature difference [5][6][7] . Obviously, the greater the heat transfer coefficient, the more the heat transfer per unit time.…”
Section: Properties Of Superheated Steammentioning
confidence: 99%
“…According to some calculations, losses represent more than 50% of the energy used in SAGD [7]. Finally, a number of efforts have been made to recover and clean the water produced in the free water phase and in the water/oil emulsion contained in the recovered fluids [8,9].…”
Section: Introductionmentioning
confidence: 99%
“…This emulsion is then pumped to the surface, where the bitumen is separated and the produced water is treated and reused for additional steam generation. After separation of the steam, about 20% of the initial volume remains for disposal as highly concentrated boiler-blowdown (BBD) wastewater, characterized with high pH, elevated temperature, and excessive concentrations of total dissolved solids (TDS) and dissolved organic matter (DOM) …”
Section: Introductionmentioning
confidence: 99%
“…After separation of the steam, about 20% of the initial volume remains for disposal as highly concentrated boiler-blowdown (BBD) wastewater, characterized with high pH, elevated temperature, and excessive concentrations of total dissolved solids (TDS) and dissolved organic matter (DOM). 4 BBD wastewaters possess extremely challenging water quality, in part, because of the properties of the geological formation as well as the residual effects of upstream unit processes unique to the SAGD method. It is common for most BBD waters to have near-boiling temperatures caused by residual heat from steam generation.…”
Section: Introductionmentioning
confidence: 99%