Asphaltenes in oil reservior recovery |
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Authors: | Zewen Liao Ansong Geng |
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Institution: | (1) State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, 510640 Guangzhou, China |
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Abstract: | Asphaltene is one of the important compositions in oil reservoirs, while it is also a major factor that causes difficulties
in oil recovery and oil post-processings. Up to date, study on asphaltenes in oil recovery is still a bottleneck problem.
In this paper, the advances of studies on asphaltenes are reviewed, and some directions for further studying are suggested.
What is reviewed in the paper includes the precipitation studies of asphaltenes, the degradation studies of asphaltenes and
the applications of asphaltene’s studying in oil recovery; furthermore, it is regarded as a promising direction to study the
possible applications of asphaltene’s selectively decomposing by chemical reagents in oil recovery. |
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Keywords: | asphaltenes precipitation oil recovery chemical degradation |
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