Applications of the quartz crystal microbalance in energy and environmental sciences: From flow assurance to nanotechnology

MM Roshani, E Rostaminikoo, E Joonaki, AM Dastjerdi… - Fuel, 2022 - Elsevier
In the last decade, there has been a swift development in several scientific research works in
which the quartz crystal microbalance (QCM) technique has played a critical role in …

Influence of pour point depressants (PPDs) on wax deposition: A study on wax deposit characteristics and pipeline pigging

W Li, H Li, H Da, K Hu, Y Zhang, L Teng - Fuel Processing Technology, 2021 - Elsevier
Pour point depressant (PPD) is widely used for wax prevention in crude oil production and
transportation. This paper aims to investigate the compositional and rheological properties …

[HTML][HTML] Wax deposition modeling in oil-water stratified pipe flow

HS Liu, JM Duan, J Li, J Wang, H Yan, KY Lin, KC Gu… - Petroleum Science, 2023 - Elsevier
Wax deposition in oil-water stratified flow is commonly encountered onshore and offshore oil
production pipe systems, and typically reduces transportation capacity of oil. The accurate …

[HTML][HTML] Investigation on synergistic deposition of wax and hydrates in waxy water-in-oil (W/O) flow systems

Y Liu, XF Lv, QL Ma, SD Zhou, BH Shi, H Du, Y Lei… - Petroleum Science, 2022 - Elsevier
Elucidating the synergistic effect of wax and hydrates, involving formation, aggregation and
deposition, is imperative to the operation and transportation safety for offshore petroleum …

Precipitated wax content and yield stress of model wax-oil mixtures determined by arrest of flow during cooling at fixed stress

CG Harris, CE Rice, A Shetty, L Mahir… - Journal of Rheology, 2023 - pubs.aip.org
To estimate yield stress and other rheological properties relevant to modeling of wax
deposition in pipelines where flow is continuous, but stress varies across the pipe radius …

Role of a nanocomposite pour point depressant on wax deposition in different flow patterns from the perspective of crystallization kinetics

C Wang, H Chen, H Shi, K Ma, Q Ma, J Gong - ACS omega, 2022 - ACS Publications
Wax deposition is one of the core issues affecting flow assurance studies of crude oil
pipelines, particularly with deep and ultradeep water conditions. Nanocomposite pour point …

Wax Deposition during the Transportation of Waxy Crude Oil: Mechanisms, Influencing Factors, Modeling, and Outlook

H Zhu, Y Lei, P Yu, C Li, F Yang, B Yao, S Yang… - Energy & …, 2024 - ACS Publications
Wax deposition is an important issue affecting the safe and economical transportation of
waxy crude oil via pipelines. Molecular diffusion and aging are considered to be the main …

Allyl ester-based liquid crystal flow improvers for waxy crude oils

AM Ashmawy, B Yao, MG Mohamed… - Journal of Dispersion …, 2021 - Taylor & Francis
Crude oil pretreatment using flow improver or pour point depressants has been accepted
considerably owing to its simplicity and economy. We prepared herein new allyl 4 …

Bioinspired hybrid nanostructures for wax inhibition coatings with superhydrophilicity

H Geng, J Peng, S Yuan, D Lin, M Zhang… - ACS Applied Nano …, 2021 - ACS Publications
Wax deposition is a severe flow assurance problem in the petroleum industry.
Superhydrophilic coatings have huge potential in wax inhibition based on the water film …

Modeling multicomponent wax deposition and aging on cold surfaces with application to pipeline fouling

SA Ogunwale, LHA Mahir, RG Larson - AIChE Journal, 2024 - Wiley Online Library
A multicomponent model is developed for wax deposition onto a cold finger from a stirred
wax‐containing oil. It utilizes Coutinho's thermodynamic equations for wax component …