Ageing Effect on Steady Rheological Behavior in Oilfield Water of Water-Soluble, Hydrophobically Associating Polymer

Abstract:

The effect of ageing time on the macromolecular composition and conformation on intermolecular entanglement and crosslinking was investigated for a water-soluble, hydrophobically associating polymer (WSHAP), by steady-flow and oscillatory experiments at reservoir temperature (65 °C). The measurement of rheological properties was carried out with changing sample properties such as shear stress, shear rate and storage time. Moreover, for the investigated samples, the mathematical interpretation of relationship between the modulus G and the shear rate γ according to the Ostwald de Waele (power law) model, was carried out. Energy of viscous flow (E_a) has also been determined and discussed.

• Periodical: Advanced Materials Research (Volumes 781-784)
• Pages: 431-435
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.781-784.431
• Online since: September 2013
• Authors: Yue Jun Zhu*, Jian Zhang, Bo Jing, Ye Bang Tan
• Keywords: Ageing Effect, Hydrophobically Associating Polymer, Rheological Behavior, Shear Thickening, Water-Soluble

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