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MICROBIAL PROCESSES FOR INCREASING FLUID MOBILITY IN A HEAVY OIL RESERVOIR
MICROBIAL PROCESSES FOR INCREASING FLUID MOBILITY IN A HEAVY OIL RESERVOIR
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机译：提高稠油油藏流体流动性的微生物过程
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摘要
Methods are provided for increasing overall fluid mobility in a near-wellboreregion in an oilsands reservoir, for example in a reservoir having an inter-well regionbetween a first well anda second well of a well pair in which at least a portion of the near-wellboreregion is withinthe inter-well region. The methods may involve inoculating the near-wellboreregion with amicroorganism, wherein the near-wellbore region comprises a hydrocarbon phaseand anaqueous phase, the viscosity of the hydrocarbon phase being greater than theviscosity of theaqueous phase. Conditions may be maintained in the near-wellbore region sothat themicroorganism metabolizes at least a portion of the hydrocarbon phase so thatsaturation ofthe near-wellbore region by the hydrocarbon phase decreases and saturation ofthe near-wellboreregion by the aqueous phase increases.
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