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Laboratory polymer flooding tests conducted in sandpacks show great potential for improving heavy oil recovery. The high price of crude oil and wide application of horizontal wells make polymer flooding both economically affordable and technically feasible for heavy oil reservoirs. Field applications of polymer flooding in heavy oil reservoirs are currently being pursued. As polymer injection involves...
This study is aimed at developing an alkaline/surfactant-enhanced oil recovery process for heavy oil reservoirs with oil viscosities ranging from 1000 to 10,000mPas, through the mechanism of interfacial instability. Instead of the oil viscosity being reduced, as in thermal and solvent/gas injection processes, oil is dispersed into and transported through the water phase to production wells.Extensive...
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