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阳离子酞菁和有机聚季铵盐极低浓度水溶液驱油效率实验研究

OIL REPLACING EFFICIENCY OF VERY DILUTE AQUEOUS SOLUTIONS OF CATIONIC PHTHALOCIANINE AND ORGANIC POLYQUARTERNARY AMMONIUM SALT
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摘要 用一种阳离子酞菁和一种有机聚季铵盐的极低浓度水溶液作驱油剂,与水驱对比在石英砂烧结岩芯上进行了驱替饱和油的实验研究,得到的最终采收率比水驱分别提高5.94%和3.32%。 he flooding chemicals selected in this work are: Aldrich′s dyestuff Alcian Blue 8GX containing 25% cationic copper phthalocianine; Aldrich′s Polybrene, an organic polyquarternary ammonium salt of MW pa 3000. The flooding solutions are: (A)1.298 mg/L Alcian Blue 8GX in 0.1% NaCl solution; (B)0.5 mg/L Polybrene in 0.1% NaCl solution. In coreflow experiments on melted quarz sand cores, it is shown that solution A flood increases oil recovery by 5.55% (on core No1) and 6.32% (on core No2) and solution B flood-by 3.32%(on core No3) comparing with water flood; residual oil satuation in cores No1and No2 is decreased by 3.86% and 5.47%.
出处 《油田化学》 CAS CSCD 北大核心 1998年第1期54-57,共4页 Oilfield Chemistry
基金 1995石油科技中青年创新基金
关键词 阳离子酞菁铜 有机聚季铵盐 效率 水溶液驱油 Cationic Copper Phthalocianine, Organic Polyquaternary Ammonium Salt, Oil Replacing Efficiency, Flooding Agents, Very Dilute Chemical Solutions
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