Heavy crude oil viscosity reduction and rheology for pipeline transportation

SW Hasan, MT Ghannam, N Esmail - Fuel, 2010 - Elsevier
Different methods of reducing the viscosity of heavy crude oil to enhance the flow properties
were investigated. Experimental measurements were conducted using RheoStress RS100 …

Extensional rheology of concentrated emulsions as probed by capillary breakup elongational rheometry (CaBER)

K Niedzwiedz, H Buggisch, N Willenbacher - Rheologica acta, 2010 - Springer
Elongational flow behavior of w/o emulsions has been investigated using a capillary
breakup elongational rheometer (CaBER) equipped with an advanced image processing …

Study on two-phase oil–water gelling deposition behavior in low-temperature transportation

Z Wang, Y Liu, J Li, X Zhuge, L Zhang - Energy & Fuels, 2016 - ACS Publications
The waxy crudes gelling and the wax depositing on the inner walls of crude oil pipelines
present a costly problem in low-temperature transportation processes. This study focuses on …

[HTML][HTML] Viscoelastic performance evaluation of petrol oil and different macromolecule materials

M Ghannam, MYE Selim - International Journal of Thermofluids, 2024 - Elsevier
This study involved conducting an experimental investigation into the flow properties of
different petrol oil–macromolecule material emulsions with regard to their viscous and …

Salt effect on hydrophobically modified polyacrylamide-containing crude oil emulsions: stability and rheology study

Y Lu, H Wu, Z Meng, J Jiang, Y Jin, Z Deng… - Colloid and Polymer …, 2018 - Springer
The emulsification of amphiphilic polymer is inevitably affected by the salinity environment in
the preparation and flooding process. The variation of emulsions in stability and rheology …

Eco-efficient rheological improvement of heavy crude oil using lactam based ionic liquids at high temperature high pressure condition

S Sakthivel, S Velusamy - Fuel, 2020 - Elsevier
Heavy crude oil (HCO) is still possessing concrete challenges due to its ineffective flowing
characteristics. Asphaltenes and resins are the complex fractions of heavy oil, possessing …

Rheological assessment of oil-xanthan emulsions in terms of complex, storage, and loss moduli

MT Ghannam, MYE Selim, AY Zekri, N Esmail - Polymers, 2023 - mdpi.com
This experimental assessment was carried out to study the viscoelastic performance of
crude oil-xanthan emulsions employing a RheoStress RS100 rheometer. Crude oil with a …

Effects of imidazolium-based ionic liquids on the rheological behavior of heavy crude oil under high-pressure and high-temperature conditions

S Velusamy, S Sakthivel, JS Sangwai - Energy & Fuels, 2017 - ACS Publications
The production, processing, and transportation of heavy crude oil (HCO) is difficult because
of its high viscosity. For practical applications, information on the rheological behavior of …

Study on microstructure evolution of waxy crude oil emulsions under dynamic cooling conditions

H Dong, N Guo, P Zhang, J Zhao, Z Wang - RSC advances, 2024 - pubs.rsc.org
A rheo-microscopy in situ synchronous measurement system was utilized to investigate the
dynamic behavior of water droplets in W/O waxy crude oil emulsions subjected to dynamic …

[HTML][HTML] Effect of ammonium based ionic liquids on the rheological behavior of the heavy crude oil for high pressure and high temperature conditions

S Sakthivel, S Velusamy - Petroleum, 2022 - Elsevier
Heavy crude oil (HCO) production, processing, and transportation forms several practical
challenges to the oil and gas industry, due to its higher viscosity. Understanding the shear …