Study on the relationship between structure and performance of HPAM-based high viscosity friction reducer

IF 2.2 4区化学 Q3 CHEMISTRY, PHYSICAL

Colloid and Polymer Science Pub Date : 2024-12-18 DOI:10.1007/s00396-024-05361-9

Cheng Jin, Neng Yi, Chengjian Nie, Pingya Luo, Di Pu, Yongjun Guo

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Abstract

Hydrolyzed Polyacrylamide (HPAM) is widely used as a high-viscosity friction reducer (HVFR) in unconventional oil and gas reservoir fracturing. However, the relationship between the molecular structure of HPAM and its drag reduction, proppant transport, and shear resistance properties under 5 ~ 20 mPa·s is unclear. To address this issue, the relationship between molecular structure and performance of HPAM solution is studied. The drag reduction study indicates that higher molecular weights of HPAM are associated with poorer drag reduction performance as viscosities above 15 mPa·s. For optimal drag reduction, the hydrolysis degree of HPAM should be maintained between 15 and 26%. The Proppant transport study shows that an increase in hydrolysis degree enhances proppant transport capabilities, but further increases beyond 33% result in diminishing improvements. The shear resistance study reveals that as the hydrolysis degree increases, shear resistance initially decreases and then increases, with the worst shear resistance observed at a hydrolysis degree of 33%.

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来源期刊

Colloid and Polymer Science 化学-高分子科学

CiteScore

4.60

自引率

4.20%

发文量

111

审稿时长

2.2 months

期刊介绍： Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.