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- W4285992040 endingPage "125305" @default.
- W4285992040 startingPage "125305" @default.
- W4285992040 abstract "The precipitation and deposition of asphaltenes are complex phenomena that reduce the efficiency in oil production operations. In this study, spectroscopic and thermal methods were used for the characterization of asphaltene samples extracted from deposits belonging to different locations in the Hassi Messaoud field. Structural parameters and the chemical structure of the studied asphaltenes were determined using 13C solid nuclear magnetic resonance (NMR), X-ray diffraction and Raman spectroscopy. The thermal behavior of the asphaltenes studied was examined using differential scanning calorimetry. The results obtained suggest that island is the predominent architecture for the asphaltenes studied with an average of 7 to 8 fused rings and aliphatic length chain of about 3–4 carbons. The number of aromatic sheets in a stacked cluster (N) is between 7 and 8 sheets. The aromatic sheet diameter of the four samples ranges from 12.18 to 15.52 Å with an average interlayer distance between aromatic sheets of 3.52 Å and an average interchain layer distance of 4.48 Å." @default.
- W4285992040 created "2022-07-21" @default.
- W4285992040 creator A5011112961 @default.
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- W4285992040 creator A5071692508 @default.
- W4285992040 creator A5086274334 @default.
- W4285992040 creator A5090541369 @default.
- W4285992040 date "2022-11-01" @default.
- W4285992040 modified "2023-10-15" @default.
- W4285992040 title "Chemical characterization of asphaltenes deposits from Hassi Messaoud field" @default.
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