| Budget Amount *help |
¥42,250,000 (Direct Cost: ¥32,500,000、Indirect Cost: ¥9,750,000)
Fiscal Year 2015: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Fiscal Year 2014: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000)
Fiscal Year 2013: ¥12,350,000 (Direct Cost: ¥9,500,000、Indirect Cost: ¥2,850,000)
Fiscal Year 2012: ¥15,730,000 (Direct Cost: ¥12,100,000、Indirect Cost: ¥3,630,000)
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| Outline of Final Research Achievements |
We have established the concept of digital oil which is a molecular model of crude oil using the Nanogeoscience. Applying this to domestic oil fields, we proposed countermeasures against the aggregation problem of asphaltenes. Also we built a digital oil model for heavy oil and estimated the change in viscosity due to temperature and pressure variation. In order to elucidate the oil recovery mechanism of the low salinity water EOR, we measured the two-phase interface phenomena at mineral surface of muscovite and oleic acid before and after the brine water injection by using the X-ray CTR scattering method at Spring-8. It was found that adsorption of oleic acid was relieved after saline water injection. Analysis of electron density distribution in the vicinity of the interface by using molecular dynamics, we investigated on accumulation and adsorption of liquid phase molecules near this interface.
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