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Petroleum Science and Technology Volume 34, 2016 - Issue 1
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Original Articles

Sensitivity study on thermal behavior and kinetics of crude oil using thermal analysis techniques

Wan-Fen PuState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, China
,
Peng-Gang LiuState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, ChinaCorrespondence[email protected]
,
Yi-Bo LiState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, China
&
Zhe-Zhi LiuState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, China
Pages 24-30 | Published online: 25 Jan 2016
 
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ABSTRACT

In this study, the effect of heating rate, oil chemical composition, and clay mineral type on thermokinetic behaviors of oil oxidation was investigated by TG and DTA tests. The results show that temperature intervals of reactions are extended and peak and burnout temperatures are shifted to higher values when increasing the heating rate. Heavier oil with more heavy components exhibits faster reaction rate and higher energy requirement in the low-temperature oxidation stage, and releases more heat in the high-temperature oxidation stage. The catalytic properties and surface area effect of clays can positively influence the high-pressure air injection process through forming more carbonaceous deposits and lowering the activation energy of reactions.

Funding

This work is supported by the National Natural Science Foundation of China (NSFC) (51404202).

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