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The effect of carbon dioxide on the phase behavior of a model oil and, in particular, on asphaltene precipitation has been studied in this work. A mixture of toluene and asphaltene with a constant asphaltene mass fraction of 0.0034 on a CO2-free basis was chosen as the model oil. The asphaltene was extracted from a crude oil. The phase transitions from liquid–vapor to liquid and from solid–liquid–vapor...
Gas resources captured in the form of gas hydrates are by an order of magnitude larger than the resources available from conventional resources. In order to keep the CO2 footprint in the world as small as possible, the idea is to produce methane hydrates and sequestrate CO2 into hydrates in the same reservoir. In particular, the kinetics of the gas hydrate formation and dissociation is crucial to...
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