纳米铜催化裂解超稠油改质降黏实验研究  被引量:2

Experimental study on the effects of copper nanoparticle-catalyzed aquathermolysis on quality improvement and viscosity reduction of extra-heavy crude oil

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作  者:刘家林[1] 张宝龙[1] 侯向明 胡军[1] 闫红星[1] LIU Jialin;ZHANG Baolong;HOU Xiangmin;HU Jun;YAN Hongxing(Liaohe Oilfield Company Petrochina,Panjin 124010,China;Carsgard(Panjin)Petroleum Technoogy Research Institute Co.,Ltd.,Panjin 124010,China)

机构地区:[1]中国石油辽河油田分公司,辽宁盘锦124010 [2]嘉仕嘉德(盘锦)石油技术研究院有限公司,辽宁盘锦124010

出  处:《精细石油化工进展》2022年第2期38-42,54,共6页Advances in Fine Petrochemicals

摘  要:以纳米铜和供氢剂为主要裂解剂,对辽河油田超稠油开展催化裂解改质降黏实验,在纳米铜质量分数为0.05%、供氢剂质量分数为0.1%、反应温度为180~270℃的条件下反应24 h,超稠油的黏度(50℃)从1.55×10^(5)mPa·s降为2 122~6 684 mPa·s,降黏率达到95.69%~98.63%。原油的族组分分析表明:裂解后原油的饱和烃、芳烃含量明显增加,胶质和沥青质显著降低。原油全烃谱图分析表明,原油的轻重比也大幅度增高,实现了超稠油原位改质降黏作用,改善了超稠油流动性,提高了原油采收率。This study used copper nanoparticles and hydrogen donor additives as main agents for aquathermolysis to carry out a series of quality improvement and viscosity reduction experiments on extra-heavy crude oil from Liaohe oilfield.With 0.05%and 0.1%of copper nanoparticles and hydrogen donor additives respectively,the reaction was carried out under 180-270℃for 24 h,resulting in a viscosity reduction rate of up to 95.69%-98.63%,having plummeted from 1.55×10^(5)mPa·s to 2122-6684 mPa·s.Group composition analysis of the crude oil suggested that,at the end of the aquathermolysis,the content of saturated hydrocarbons and aromat-ics in the crude oil increased,while the content of resin and asphalt decreased.The total hydrocarbon spec-trum analysis of crude oil showed that the weight ratio of crude oil increased greatly,and the effect of in-situ modification and viscosity reduction of super heavy oil was realized,and the fluidity of super heavy oil was im-proved and oil recovery was enhanced.

关 键 词:纳米铜 原油裂解 超稠油 改质降黏催化剂 

分 类 号:TE345[石油与天然气工程—油气田开发工程]

 

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