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The high altitudes of the plateau areas lead to a decreasing flash point temperature of liquid fuels due to the reduced ambient pressure. It indicates that liquid fuels suffer greater fire and explosion hazards at high altitudes. To reveal the dependence of flash point on reduced pressure at high altitudes, a series of field flash point determinations are performed at six different altitudes on the...
The dominant mechanism of enhanced heavy oil recovery by chemical flooding is studied by conducting various chemical slug injections in a two-dimensional physical model. In this study, a total of seven single-chemical-slug tests and another seven two-chemical-slug tests are conducted to test the contribution of alkaline, surfactant, polymer, and their combinations to enhanced heavy oil recovery. The...
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