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- W2393090206 abstract "Facing the actual demand of polymer flooding development in Bohai oilfield,through the core flow experiment,compatibility between the coil dimension polymer and rock pore throat was researched by measurement of the change of viscosity and polymer clew dimension of the hydrophobically associating polymer AP-P4 before and after injection of porous media.The results showed that,the polymers of molecular weight of 600×104,1000×104 and 1600×104 were compatible well with the cores of different permeability of 500×10-3—1000×10-3,1000×10-3—1500×10-3 and 1500×10-3—2000×10-3μm2,respectively,and the ratio of median pore-throat radius R* to Polymer Clew Dimension Rh was 6.09—8.01,7.07—8.09,6.95—7.51,respectively.In the Bohai oilfield,when R*/ Rh was 68,compatibility of the polymer and rock pore throat was well.Hence,the polymers of molecular weight not less than 600×104,1000×104,1600×104,respectively,was recommended for the formation of different permeability of 500×10-3μm2,1000×10-3 μm2,2000×10-3μm2,respectively.And when considering the shearing and thermal degradation when preparation and injection,the molecular weight of polymer also could be increased slightly,however,the molecular weight of polymer could not be higher than 800×104,1200×104 and 1800×104,respectively." @default.
- W2393090206 created "2016-06-24" @default.
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- W2393090206 date "2012-01-01" @default.
- W2393090206 modified "2023-09-26" @default.
- W2393090206 title "Compatibility of Clew Dimension of Flooding Polymer and Rock Pore Throat in Bohai oilfield" @default.
- W2393090206 hasPublicationYear "2012" @default.
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