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A comprehensive analysis of the properties of light crude oil in oxidation experimental studies |
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| Authors: | Jian-jun Yang Wan-fen Pu Hu Jia Cheng-dong Yuan Ji-hui Ni Xiao-long Li Ming Yang Hang Jiang |
| Institution: | 1. State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation, Southwest Petroleum University (SWPU), Chengdu, Sichuan, People’s Republic of China 2. State Key Laboratory of Enhanced Oil Recovery, PetroChina Research Institute of Petroleum Exploration and Development, Beijing, People’s Republic of China 3. Company of Petroleum Engineering Technology Research Institute of Sinopec Henan Oil Field, Nanyang, Henan, People’s Republic of China 4. Engineering Supervision Center Northeast OIL & Gas Branch, SINOPEC, Changchun, Jilin, People’s Republic of China 5. Key Laboratory of Petrophysics & Fluid Flow through Porous Media, Research Institute of Petroleum Exploration and Development, Beijing, 100000, People’s Republic of China |
| Abstract: | The analysis of light crude oil for oxidation reaction experiments is a kind of important technological for evaluating an air injection project in a reservoir. In this study, the paper comprehensively analyzes the variations of Jilin crude oil composition comparing crude oil component’s variations before and after oxidation, and investigates the effluent gas composition and hydrocarbon, analyzes the mechanism of low temperature oxidation reaction (LTO), and rebuilds the light crude oil cracking reaction of intermediate component in a new pattern. In the early stage of the oxidation reaction, firstly, oxygen is captured by forming chemical bond in liquid hydrocarbon. And then oxygen takes part in the free radical chain reaction by forming hyperoxide and decomposes to ketones, aldehydes, alcohols, and so on. Meanwhile, chain scission reaction comes up. Research result shows that the intermediate components (C7–17) of crude oil make great contribution to crude oil cracking. The experimental result shows that Jilin reservoir has the potential of implementing air injection project. |
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