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- W2348937730 abstract "Injection pattern and displacement efficiency of NTCP foam system have been studied, which is made of 0.2%NAPS hydrophobic associating polymer as foam stabilizer, 0.15% surfactant as foaming agent and industrial nitrogen in accordance with certain proportion. The NTCP foam system has high resistance coefficient and low residual resistance coefficient. Under the geological condition of Wenmingzai oilfield in Zhongyuan oilfields, simulation experiment shows that the foam system has high displacement efficiency, ability of control profile and low damages to low permeable formation. Injecting 0.8 PV in single core experiment, the displacement efficiency of foam flooding is 17.9%-28.7% higher than that of water flooding. Injecting 0.8 PV in parallel core experiment, when permeability contrast is 14.1 and 38.2 respectively, the displacement efficiency of foam flooding is 44.0% and 28.6% respectively higher than that of water flooding." @default.
- W2348937730 created "2016-06-24" @default.
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- W2348937730 date "2003-01-01" @default.
- W2348937730 modified "2023-09-23" @default.
- W2348937730 title "INJECTION PATTERN AND DISPLACMENT EFFICIENCY OF NTCP FOAM SYSTEM" @default.
- W2348937730 hasPublicationYear "2003" @default.
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