Influence of pour point depressants (PPDs) on wax deposition: A study on wax deposit characteristics and pipeline pigging
Sign Up to like & getrecommendations! Published in 2021 at "Fuel Processing Technology"
DOI: 10.1016/j.fuproc.2021.106817
Abstract: Abstract 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 of wax deposits formed from crude oils with… read more here.
Keywords: wax deposit; wax; pour point; wax deposits ... See more keywords
Investigation on the mechanism of wax deposition inhibition induced by asphaltenes and wax inhibitors
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2021.108723
Abstract: Abstract This study is specifically concerned with the effect and mechanism of asphaltenes and wax inhibitors on the wax deposition characteristics of model waxy oil. According to the rheological and wax deposition test, the pure… read more here.
Keywords: wax deposition; wax inhibitors; induced asphaltenes; mechanism ... See more keywords
Development of wax molecular diffusivity correlation suitable for crude oil in wax deposition: Experiments with a cold-finger apparatus
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2021.108851
Abstract: Abstract 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 Hayduk-Minhas and Wilke-Chang are widely… read more here.
Keywords: molecular diffusivity; wax; wax molecular; crude ... See more keywords
Wax Deposition Modeling with Considerations of Non-Newtonian Characteristics: Application on Field-Scale Pipeline
Sign Up to like & getrecommendations! Published in 2017 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.7b00504
Abstract: Wax removal by pigging is costly in sub-sea oil production. Cost-effective scheduling of pigging can be achieved based on the deposition rate predicted by wax deposition models. Conventional wax deposition models predict wax deposition rates… read more here.
Keywords: wax deposition; field scale; newtonian characteristics; deposition ... See more keywords
Effect of Thermal Treatment Temperature on the Flowability and Wax Deposition Characteristics of Changqing Waxy Crude Oil
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DOI: 10.1021/acs.energyfuels.8b02552
Abstract: The influence of thermal treatment temperature on the flowability and wax deposition characteristics of Changqing waxy crude oil was researched in detail through pour point/rheological tests, a cylindrical Couette wax deposition experimental device, DSC analyses,… read more here.
Keywords: crude oil; wax deposition; treatment temperature; thermal treatment ... See more keywords
Mechanism of Wax Deposition on Cold Surfaces: Gelation and Deposit Aging
Sign Up to like & getrecommendations! Published in 2018 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.8b03139
Abstract: To further develop an understanding of the wax deposition mechanism needed to model its occurrence in subsea oil pipelines, deposition experiments using a pure n-alkane and a binary n-alkane mixture were performed in a cold… read more here.
Keywords: wax deposition; deposit thickness; deposit; mechanism ... See more keywords
Experimental Investigation of Entrapped Water Droplets in Wax Deposition from Water-in-Oil Emulsion Considering Wax Crystals Adsorption at the Oil–Water Interface
Sign Up to like & getrecommendations! Published in 2019 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.9b03804
Abstract: The presence of water in wax deposition from water-in-oil emulsion for petroleum transportation in pipelines has received much attention in recent years. This study investigated the formation of wa... read more here.
Keywords: wax deposition; water oil; water; deposition water ... See more keywords
Role of a Nanocomposite Pour Point Depressant on Wax Deposition in Different Flow Patterns from the Perspective of Crystallization Kinetics
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c00068
Abstract: 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 depressants (NPPDs) provide a novel and effective strategy for… read more here.
Keywords: pour point; nanocomposite pour; flow; deposition ... See more keywords
Water Droplets Tailored as Wax Crystal Carriers to Mitigate Wax Deposition of Emulsion
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DOI: 10.1021/acsomega.2c06809
Abstract: This study explores how the micro-distribution change of wax crystals from the continuous oil phase to the oil–water interface mitigates the macro wax deposition of an emulsion. Two types of interfacial actions between wax crystals… read more here.
Keywords: wax crystals; water; wax; water droplets ... See more keywords
Effect of pour point depressant on wax deposition and drag reduction in horizontal pipelines
Sign Up to like & getrecommendations! Published in 2017 at "Petroleum Science and Technology"
DOI: 10.1080/10916466.2016.1269128
Abstract: ABSTRACT A newly synthesized pour point depressant (PPD) was used to decrease the wax deposition thickness and drag force during a waxy crude oil flow in two horizontal pipes of length 2.5 m each and… read more here.
Keywords: drag reduction; wax deposition; pour point; point depressant ... See more keywords
Evaluation on the effects of wax inhibitor and optimization of operating parameters for wax deposition in Malaysian crude oil
Sign Up to like & getrecommendations! Published in 2017 at "Petroleum Science and Technology"
DOI: 10.1080/10916466.2017.1373128
Abstract: ABSTRACT The complex phenomenon of wax deposition subject to thermal gradient in crude oil is one of the biggest challenges in petroleum industry. In this comparative study, two inhibitors which were poly(ethylene-co-vinyl acetate) (EVA) and… read more here.
Keywords: crude oil; wax deposition; deposition malaysian;