Research and Development Trend of Viscosity Reduction by Catalytic Coupling Reaction of Crude Oil
1. Sinopec Xinjiang Xinchun Petroleum Development Co., Ltd., Tacheng 834700, China
2. Shaanxi Province Key Laboratory of Environmental Pollution Control and Reservoir Protection Technology of Oilfields, Xi’an Petroleum University, Xi’an 710065, China
| Abstract: | In view of the increasing consumption of fossil energy, heavy oil with large reserves and wide distribution, as an important unconventional oil and gas resource, has attracted more and more attention in its exploration and development. However, due to the high content of heavy components in heavy oil, its viscosity is high, its fluidity is low, and its quality is poor. Therefore, the key to enhance heavy oil recovery is to reduce its viscosity, improve its fluidity and improve its quality. At present, steam huff and puff, steam flooding and in-situ upgrading and viscosity reduction of heavy oil are the conventional methods for heavy oil recovery. Considering the production cost, the hydrothermal catalytic cracking technology for heavy oil recovery is studied. However, most of these researches only focus on the preparation and application of catalytic viscosity reducer, and there is still a lack of in-depth and systematic research on its specific viscosity reduction mechanism. Therefore, on the basis of abundant active hydrogen provided by alcohol water reforming reaction, it is of great theoretical value and practical significance to design the application of high-efficiency heavy oil viscosity reduction catalyst by using the super molecular interaction of in-situ active minerals and exogenous metal complexes to catalyze the high-efficiency hydrothermal cracking of heavy oil. |
| Keywords: | Viscosity Reduction of Heavy Oil; Coupling Reaction; Heavy Components; Recovery Rate |
| DOI: | 10.57237/j.jest.2023.02.002 |
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Received: 18 February 2023
Accepted: 17 March 2023
Published Online: 28 March 2023
Funding
| 1. | 国家自然科学基金项目《内外源超分子协同催化稠油原位改质新策略》 (51974252) |
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