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影响预交联凝胶颗粒性能的因素分析

PETROLEUM GEOLOGY AND RECOVERY EFFICIENCY(2005)

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Abstract
从凝胶颗粒的基本特征、外观形态、粒径分布分析入手,研究了膨胀倍数及粘弹性等特征参数,评价了颗粒的物理化学性能.实验结果表明,预交联凝胶颗粒适宜于高矿化度的地层,对pH值无具体要求,长期热稳定性好.在95℃条件下考察两年和120℃条件下考察一年均未发现脱水现象.膨胀倍数在30~200倍,也可根据实际选择合适的膨胀倍数.
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