Wax formation mechanisms, wax chemical inhibitors and factors affecting chemical inhibition

T Ragunathan, H Husin, CD Wood - Applied sciences, 2020 - mdpi.com
When crude oil is extracted out of a subterranean reservoir at high temperature and
pressure, it is usually transported via a pipeline, where the crude oil experiences radical …

Wax deposition and prediction in petroleum pipelines

F Alnaimat, M Ziauddin - Journal of Petroleum Science and Engineering, 2020 - Elsevier
Wax prediction is crucial because accumulation of wax in the crude oil pipelines is a wide
concern in the petroleum industry. In the subsea pipelines, the cold temperature of the …

Multifunctional anti-wax coatings for paraffin control in oil pipelines

J Bai, X Jin, JT Wu - Petroleum Science, 2019 - Springer
Paraffin deposition is a severe global problem during crude oil production and
transportation. To inhibit the formation of paraffin deposits, the commonly used methods are …

Designing of a washing composition model to conduct the hot flushing wells producing paraffin crude oil

A Lekomtsev, A Kozlov, W Kang, A Dengaev - Journal of Petroleum Science …, 2022 - Elsevier
The article discusses the problems of asphaltene, resin and paraffin deposition and paraffin
control methods in an oil production well. This is a critical issue in the oil and gas industry …

Development of wax molecular diffusivity correlation suitable for crude oil in wax deposition: Experiments with a cold-finger apparatus

K Fan, S Li, R Li - Journal of Petroleum Science and Engineering, 2021 - Elsevier
Wax deposition is a hot and difficult topic in waxy crude oil transportation. Wax molecular
diffusion is recognized to play a crucial role in wax deposition. Empirical correlations of …

Development of an approach for determining the effectiveness of inhibition of paraffin deposition on the wax flow loop laboratory installation

P Ilushin, K Vyatkin, A Kozlov - Inventions, 2021 - mdpi.com
The formation of wax deposits is a common phenomenon in the production and
transportation of formation fluids. On the territory of the Perm Krai, this problem occurs in half …

From Components to Phase-Dependent Dynamics of Diffusivity in Wax Solutions Subjected to Fluid–Solid Phase Transition: Insights from Pulsed Field Gradient NMR

EV Morozov, PV Nizovtseva, ON Martyanov - Energy & Fuels, 2022 - ACS Publications
The evolution of solvent and solute diffusivity during fluid–solid phase transition was studied
in model wax in n-dodecane solutions in a wide concentration range. Studied systems were …

Effect of emulsion characteristics on wax deposition from water-in-waxy crude oil emulsions under static cooling conditions

Y Zhang, J Gong, Y Ren, P Wang - Energy & Fuels, 2010 - ACS Publications
Water-in-waxy crude oil emulsions with different water cuts were prepared with three
different stirring speeds. The droplet size and distribution of the dispersed phase were …

Effect of operating conditions on wax deposition in a laboratory flow loop characterized with DSC technique

W Wang, Q Huang, C Wang, S Li, W Qu, J Zhao… - Journal of Thermal …, 2015 - Springer
In this paper, an experimental study about the influence of operating conditions in a
laboratory flow loop on wax deposition phenomena by using DSC technique is presented …

Wax deposition in the oil/gas two-phase flow for a horizontal pipe

J Gong, Y Zhang, L Liao, J Duan, P Wang… - Energy & Fuels, 2011 - ACS Publications
An experimental flow loop was designed and constructed to perform the wax deposition
tests under the oil/gas two-phase flow conditions in a horizontal pipe. The oil sample came …