Challenges in petroleum characterization—A review
I Shishkova, D Stratiev, IV Kolev, S Nenov… - Energies, 2022 - mdpi.com
252 literature sources and about 5000 crude oil assays were reviewed in this work. The
review has shown that the petroleum characterization can be classified in three categories …
review has shown that the petroleum characterization can be classified in three categories …
Prediction of viscosity of blends of heavy oils with diluents by empirical correlations and artificial neural network
Various straight-run and hydrocracked vacuum residual oils mixed with dissimilar light oils
were tested for their viscosity using an Engler specific viscometer, generating 158 heavy oil …
were tested for their viscosity using an Engler specific viscometer, generating 158 heavy oil …
Petroleum viscosity modeling using least squares and ANN methods
Abstract 274 crude oils pertaining to the groups of extra light (gas condensates), light,
medium, heavy, and extra heavy crude oils were characterized by true boiling point …
medium, heavy, and extra heavy crude oils were characterized by true boiling point …
Synergistic effect of waste rubber powder on low-temperature toughness and high-temperature rheological properties of SBS modified asphalt
L Li, C Wu, Y Cheng, H Wang, J Liang… - Construction and Building …, 2023 - Elsevier
The stacking and burning of waste tires have posed a serious challenge to the natural
environment. To make adequate use of this misplaced waste resource, the study prepared …
environment. To make adequate use of this misplaced waste resource, the study prepared …
Different nonlinear regression techniques and sensitivity analysis as tools to optimize oil viscosity modeling
D Stratiev, S Nenov, D Nedanovski, I Shishkova… - Resources, 2021 - mdpi.com
Four nonlinear regression techniques were explored to model gas oil viscosity on the base
of Walther's empirical equation. With the initial database of 41 primary and secondary …
of Walther's empirical equation. With the initial database of 41 primary and secondary …
Synthesis of Fe3O4-Mn2O3 and Fe3O4-graphene oxide hybrid nanocatalyst and their effects on the electromagnetic properties and their performance on heavy …
P Torkaman, R Karimzadeh, A Jafari - Journal of Analytical and Applied …, 2024 - Elsevier
In this research for the first time, the hybrid nanocatalysts with various ratios were syntheses
and the impact of the type and ratio of nanocatalyst on heavy oil upgrading was examined …
and the impact of the type and ratio of nanocatalyst on heavy oil upgrading was examined …
Acrylic polymers as additives for engine oil: A historical perspective
RM Nasser - Crude Oil-New Technologies and Recent …, 2022 - books.google.com
Oil undergoes temporary viscosity changes under operating conditions in engines.
Therefore, engine oils usually contain polymeric additives called viscosity modifiers. These …
Therefore, engine oils usually contain polymeric additives called viscosity modifiers. These …
Comparison of empirical models to predict viscosity of secondary vacuum gas oils
DS Stratiev, S Nenov, IK Shishkova, RK Dinkov… - Resources, 2021 - mdpi.com
This work presents characterization data and viscosity of 34 secondary vacuum gas oils (H-
Oil gas oils, visbreaker gas oils, and fluid catalytic cracking slurry oils) with aromatic content …
Oil gas oils, visbreaker gas oils, and fluid catalytic cracking slurry oils) with aromatic content …