Synthesis of Low-Density Heat-Resisting Polystyrene/Graphite Composite Microspheres Used as Water Carrying Fracturing Proppants
作者： Xiaobing Han , Qingxia Cheng , Feng Bao , Jie Gao , Yandan Yang
DOI: 10.1080/03602559.2014.919648
关键词:
摘要: Low-density heat resistamt, low-cost polystyrene (PS)/graphite microspheres were successfully synthesized via in situ suspension polymerization. Scanning electron microscopy (SEM) indicated that PS/graphite composite had good sphericity, and graphite particles evenly dispersed microspheres. Furthermore, density analysis illustrated the of composites was about 1.025–1.185 g/cm3 with suitability for carrying water. Thermodynamic testing revealed thermostability dramatically improved by introduction graphite, which is used deep underground. In addition, percentage damage decreased to 1.3% ratio 2.5% at 68 MPa. Therefore, PS/Graphite possess entirely feasible applications oil exploitation as pure water petroleum proppants.
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