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Petroleum Science and Technology Volume 35, 2017 - Issue 13
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Original Articles

Catalytic effect of in-situ preparation of copper oxide nanoparticles on the heavy oil low-temperature oxidation process in air injection recovery

Xiao-dong TangState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan, China;College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan, China
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Guo-jian LiangState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan, China;College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan, China
,
Jing-jing LiState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan, China;College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan, ChinaCorrespondence[email protected]
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Yu-tao WeiState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan, China;College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan, China
&
Tun DangState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan, China;College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan, China
Pages 1321-1326 | Published online: 06 Oct 2017
 
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ABSTRACT

In situ prepared hydrophobic CuO nanoparticles, about 84.3 nm in mean diameter, was synthesized and used to catalyze heavy oil low-temperature oxidation (LTO) reaction. Experimental results showed the average oxygen consumption rate with CuO nanoparticles addition increased by 1.4 times, and the residue oxygen content in tail gas in autoclave was decreased from 8.76% to 3.9% compared to the blank experiment (without CuO nanoparticles). In addition, the CuO nanoparticles could facilitate the cleavage reaction during LTO. This study can provide guidelines to improve effectively the safety of air flooding technology in the heavy oil.

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