Abstract

Due to the shortage of traditional pre-cross linked particulate, such as suspension property, temperature and salt tolerance, and injectivity, this paper developed hydrophobic association polymer pre-cross linked particulate based on hydrophobic association polymer. The performance evaluation of rheological behavior, microstructure and mobility control ability demonstrate that hydrophobic association polymer pre-cross linked particulate can partly dissolved in water, and has certain viscosity thickening and suspension property; it partly cross linking forming mesh structure, and has strong resilience; it can deform through the porous media after swelling, and has good mobility control ability.

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