LAPSE:2023.11321
Published Article
LAPSE:2023.11321
Correlations of HTSD to TBP and Bulk Properties to Saturate Content of a Wide Variety of Crude Oils
February 27, 2023
Forty-eight crude oils with variations in specific gravity (0.782 ≤ SG ≤ 1.002), sulphur content (0.03 ≤ S ≤ 5.6 wt.%), saturate content (23.5 ≤ Sat. ≤ 92.9 wt.%), asphaltene content (0.1 ≤ As ≤ 22.2 wt.%), and vacuum residue content (1.4 ≤ VR ≤ 60.7 wt.%) were characterized with HTSD, TBP, and SARA analyses. A modified SARA analysis of petroleum that allows for the attainment of a mass balance ≥97 wt.% for light crude oils was proposed, a procedure for the simulation of petroleum TBP curves from HTSD data using nonlinear regression and Riazi’s distribution model was developed, and a new correlation to predict petroleum saturate content from specific gravity and pour point with an average absolute deviation of 2.5 wt.%, maximum absolute deviation of 6.6 wt.%, and bias of 0.01 wt.% was developed. Intercriteria analysis was employed to evaluate the presence of statistically meaningful relations between the different petroleum properties and to evaluate the extent of similarity between the studied petroleum crudes. It was found that the extent of similarity between the crude oils based on HTSD analysis data could be discerned from data on the Kw characterization factor of narrow crude oil fractions. The results from this study showed that contrary to the generally accepted concept of the constant Kw characterization factor, the Kw factors of narrow fractions differ from that of crude oil. Moreover, the distributions of Kw factors of the different crudes were different.
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Keywords
characterization, correlation, crude oil, HTSD, intercriteria analysis, Petroleum, regression, SARA, TBP
Subject
Suggested Citation
Stratiev D, Dinkov R, Tavlieva M, Shishkova I, Nikolov Palichev G, Ribagin S, Atanassov K, Stratiev DD, Nenov S, Pilev D, Sotirov S, Sotirova E, Simeonov S, Boyadzhieva V. Correlations of HTSD to TBP and Bulk Properties to Saturate Content of a Wide Variety of Crude Oils. (2023). LAPSE:2023.11321
Author Affiliations
Stratiev D: LUKOIL Neftohim Burgas, 8104 Burgas, Bulgaria; Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Georgi Bonchev 105, 1113 Sofia, Bulgaria [ORCID]
Dinkov R: LUKOIL Neftohim Burgas, 8104 Burgas, Bulgaria
Tavlieva M: LUKOIL Neftohim Burgas, 8104 Burgas, Bulgaria
Shishkova I: LUKOIL Neftohim Burgas, 8104 Burgas, Bulgaria [ORCID]
Nikolov Palichev G: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Georgi Bonchev 105, 1113 Sofia, Bulgaria
Ribagin S: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Georgi Bonchev 105, 1113 Sofia, Bulgaria; Intelligent Systems Laboratory, University Prof. Dr. Assen Zlatarov, Professor Yakimov 1 St., 8010 Burgas, Bulgaria
Atanassov K: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Georgi Bonchev 105, 1113 Sofia, Bulgaria; Intelligent Systems Laboratory, University Prof. Dr. Assen Zlatarov, Professor Yakimov 1 St., 8010 Burgas, Bulgaria [ORCID]
Stratiev DD: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Georgi Bonchev 105, 1113 Sofia, Bulgaria
Nenov S: Department of Mathematics, University of Chemical Technology and Metallurgy, Kliment Ohridski 8, 1756 Sofia, Bulgaria
Pilev D: Department of Mathematics, University of Chemical Technology and Metallurgy, Kliment Ohridski 8, 1756 Sofia, Bulgaria
Sotirov S: Intelligent Systems Laboratory, University Prof. Dr. Assen Zlatarov, Professor Yakimov 1 St., 8010 Burgas, Bulgaria
Sotirova E: Intelligent Systems Laboratory, University Prof. Dr. Assen Zlatarov, Professor Yakimov 1 St., 8010 Burgas, Bulgaria
Simeonov S: Intelligent Systems Laboratory, University Prof. Dr. Assen Zlatarov, Professor Yakimov 1 St., 8010 Burgas, Bulgaria
Boyadzhieva V: Department of Chemical Engineering, The University of Manchester, Oxford Rd, Manchester M13 9PL, UK
Dinkov R: LUKOIL Neftohim Burgas, 8104 Burgas, Bulgaria
Tavlieva M: LUKOIL Neftohim Burgas, 8104 Burgas, Bulgaria
Shishkova I: LUKOIL Neftohim Burgas, 8104 Burgas, Bulgaria [ORCID]
Nikolov Palichev G: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Georgi Bonchev 105, 1113 Sofia, Bulgaria
Ribagin S: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Georgi Bonchev 105, 1113 Sofia, Bulgaria; Intelligent Systems Laboratory, University Prof. Dr. Assen Zlatarov, Professor Yakimov 1 St., 8010 Burgas, Bulgaria
Atanassov K: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Georgi Bonchev 105, 1113 Sofia, Bulgaria; Intelligent Systems Laboratory, University Prof. Dr. Assen Zlatarov, Professor Yakimov 1 St., 8010 Burgas, Bulgaria [ORCID]
Stratiev DD: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Georgi Bonchev 105, 1113 Sofia, Bulgaria
Nenov S: Department of Mathematics, University of Chemical Technology and Metallurgy, Kliment Ohridski 8, 1756 Sofia, Bulgaria
Pilev D: Department of Mathematics, University of Chemical Technology and Metallurgy, Kliment Ohridski 8, 1756 Sofia, Bulgaria
Sotirov S: Intelligent Systems Laboratory, University Prof. Dr. Assen Zlatarov, Professor Yakimov 1 St., 8010 Burgas, Bulgaria
Sotirova E: Intelligent Systems Laboratory, University Prof. Dr. Assen Zlatarov, Professor Yakimov 1 St., 8010 Burgas, Bulgaria
Simeonov S: Intelligent Systems Laboratory, University Prof. Dr. Assen Zlatarov, Professor Yakimov 1 St., 8010 Burgas, Bulgaria
Boyadzhieva V: Department of Chemical Engineering, The University of Manchester, Oxford Rd, Manchester M13 9PL, UK
Journal Name
Processes
Volume
11
Issue
2
First Page
420
Year
2023
Publication Date
2023-01-30
Published Version
ISSN
2227-9717
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PII: pr11020420, Publication Type: Journal Article
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LAPSE:2023.11321
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doi:10.3390/pr11020420
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