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Abstract As a green and efficient surfactant, alkyl polyglycoside (APG) has been applied in many industrial areas due to its green and environment friendly characteristics, which is in accordance… (More)
Fracturing of oil layer is one of the effective measures of improving inefficient well capacity, and it is applied by many oil fields at home and abroad. This paper analyzes quantitatively the main… (More)
Abstract The reservoir characteristics and fluid property of Daqing Oilfield was taken as the research platform. The emulsion was prepared by core displacement experiment. The stability of emulsion… (More)
Based on the features of microemulsion flooding in low-permeability reservoir, a three-dimension three-phase five-component mathematical model for microemulsion flooding is established in which the… (More)
Chemical flooding adopts polymer to realize flow control generally. But section inversion is serious in the late injection and polymer is easily to block oil layers, compounding the difficulty of… (More)
According to the fact that starting up pressure gradient exists when fluids flow in low permeability reservoir, a concept called effective driving coefficient is introduced to this paper,the recovery… (More)