[HTML][HTML] Asphaltenes and maltenes in crude oil and bitumen: A comprehensive review of properties, separation methods, and insights into structure, reactivity and …

K Primerano, J Mirwald, B Hofko - Fuel, 2024 - Elsevier
Asphaltenes and maltenes, integral components of petroleum systems, wield profound
influence over the properties of crude oils and derived products. This literature review …

The investigation of flocculation and deposition of heavy components in the crude oil tank based on experiment and molecular simulation

Y Wang, Q Huang, Z Xu, Z Wei, X Zhang, Y Zhang… - Fuel, 2023 - Elsevier
With the implementation of the “3060” carbon neutrality policy, the cancellation of external
insulation has led to the increasingly serious deposition of heavy components in petroleum …

Studying the effects of asphaltene oxidation on wax crystallization and rheological properties in waxy crude oils

M Li, X Chen, Q Wang, D Diao, Y Zhang, C Wang… - Fuel, 2024 - Elsevier
Oxidation in crude oil production is unavoidable. Oxidized asphaltenes, interacting with
waxes during crystallization, profoundly alter wax precipitation and gel behavior in crude …

Morphology of Wax Crystals Affects the Rheological Properties and Thermal Conductivity of Waxy Oils

L Shi, F Yang, C Li, G Sun, Y Wang… - Industrial & …, 2024 - ACS Publications
The rheological properties and thermal conductivity of waxy crude oils are critical factors
influencing calculations for pipeline shutdown and restart procedures. In this study, the …

Geometric confinement growth of wax crystals by star acrylate polymer for enhanced cold flowability of waxy crudes

X Sun, L Jia, X Li, S Zhang, Y Wang, M Fan, J Xu - Fuel, 2024 - Elsevier
Wax precipitation causes numerous challenges in the transportation and refining of crude
oil. Wax deposition can be decreased and the flowability of waxy crude oil in cold …

[HTML][HTML] Experimental and mechanism study on the synergistic influence of asphaltene and pressure on the flow and rheological characteristics of waxy oil

Y Lei, D Lai, H Zhu, R Dou, J Wen, H Chen… - Journal of Pipeline …, 2025 - Elsevier
In underground reservoirs and offshore oilfields, the production and transportation of waxy
oil inevitably involve pressure and asphaltene environment. However, the effect of …

Determination of Wax Deposition Rate Model of Blended Oils with Different Blending Ratios

Z Han, L Ma, X Li, H Zhu, W Li, X Xia, X Zhang, R Guo - Processes, 2024 - mdpi.com
Blending with light oil is a commonly used and reliable method of crude oil transportation,
and the blending ratio is a crucial operating parameter in determining the safe and efficient …

Wax crystal dynamics and viscosity abnormal reduction in asphaltene-containing waxy oil at low temperatures

P Yu, S Zeng, H Zhu, D Lai, R Dou, H Chen… - Journal of Dispersion …, 2024 - Taylor & Francis
A micro-rheological integration experiment was conducted on model oils without asphaltene
and with 0.05 wt% asphaltene. The study examined the viscosity-temperature characteristics …

Enhancement of cold flowability for high waxy crude oil by the mildly crosslinked poly (styrene-octadecyl acrylate)

S Yan, X Li, J Zhang, P Xiao, M Niu, Y Pi… - Journal of Dispersion …, 2024 - Taylor & Francis
The precipitation of wax at low temperature often leads to the viscosity increase of waxy
crude oil, and even causes the blockage of pipelines in severe cases. The addition of …

Viscosity–Temperature Properties of Model Oil Systems Rich in Asphaltenes and Paraffins

EE Barskaya, YM Ganeeva, ES Okhotnikova… - Petroleum …, 2023 - Springer
The paper describes a comparative assessment of viscosity–temperature curves for a
number of model mixtures prepared from crude oil maltenes isolated from unstable oils (with …