蒸气开采过程中金属盐对稠油粘度及平均分子量的影响

来源 :燃料化学学报 | 被引量 : 0次 | 上传用户:caiwupim
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探讨了在注蒸气条件下,稠油的粘度和平均分子量随蒸气温度、反应时间的变化规律,研究了金属盐、油层矿物对稠油水热裂解反应的影响.实验结果表明,在注蒸气的条件下,辽河稠油可以发生水热裂解反应.金属盐的存在,可以加速稠油的水热裂解反应,从而导致粘度和平均分子量的进一步降低,使稠油的粘度由原始的124.5Pa·s下降到32.4Pa·s,下降了74.0%,平均分子量由反应前的654下降到398.高温下油层矿物对水热裂解反应有促进作用,在反应体系中,在有水时加入质量分数为10%的油层矿物时,稠油的粘
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