Results 11 to 20 of about 4,536,568 (149)

CORRELATION TO PREDICT WAX APPEARANCE TEMPERATURE AND CHARACTERISATION OF CRUDE OIL [PDF]

Platform, a Journal of Engineering, 2023
Wax precipitation in oil pipelines and industrial equipment is a severe concern in the petroleum sector as it can cause well bores to block and reduces the efficiency of oil/gas production and transportation processes.
Willynna Lamban Donny , Aliyu Adebayo Sulaimon   +1 more
doaj   +1 more source

Investigations of temperature and dilution effect on rheological properties of waxy crude oil

Journal of Petroleum Exploration and Production Technology, 2019
The purpose of the paper is to study the effect of temperature and hydrocarbon solvent addition on thixotropy of waxy crude oil. Oil is a complex multicomponent hydrocarbon system. There are many interactions between wax and asphaltene, wax and aromatics,
I. A. Struchkov, P. V. Roschin, V. T. Litvin, V. A. Ol’hovskaya, E. S. Kalinin   +4 more
doaj   +1 more source

Asphaltene Inhibition and Flow Improvement of Crude Oil with a High Content of Asphaltene and Wax by Polymers Bearing Ultra-Long Side Chain

Energies, 2021
A high content of asphaltene and wax in crude oil leads to difficulties in the recovery and transportation of crude oil due to the precipitation of asphaltenes and the deposition of waxes.
Xinyuan Li, Shu Lu, Meifei Niu, Ruzhen Cheng, Yanjun Gong, Jun Xu   +5 more
doaj   +1 more source

The Effect of CO2 on Wax Appearance Temperature of Crude Oils [PDF]

, 2016
Wax deposition makes up one of the main problems in the petroleum industry. Different types of techniques and treatments have been used to inhibit wax deposition.
Yusup, Suzana, Hosseinipour, Arya, Japper-Jaafar, Azuraien Bt   +2 more
core   +1 more source

Modelling of wax deposition by perturbed hard sphere chain equation of state [PDF]

, 2020
This article presents a model to predict the wax appearance temperature (WAT) and the quantity of wax deposition in eight different n-alkane mixtures using a correlative technique. The perturbed hard sphere chain equation of state (PHSC EoS) was employed
Shaahmadi, Fariborz; id_orcid, Bazooyar, Bahamin, Jomekian, Abolfazl, Darabkhani, Hamidreza Gohari   +3 more
core   +2 more sources

Use of Pulsed Nmr Spectroscopy to Measure the Amount of Solid Deposits As a Function of Temperature in Waxy Crudes Utilisation de la spectroscopie RMN pulsée pour mesurer la quantité de dépôts solides en fonction de la température dans les bruts paraffiniques

Oil & Gas Science and Technology, 2006
Paraffin crystallization in crude oils and in gas condensates is a major problem for petroleum exploitation. Thermodynamic models are used to evaluate the risk.
Ruffier-Meray V., Roussel J. C., Defontaines A. D.   +2 more
doaj   +1 more source

Studies on the Efficiency of the Impact of Paraffin Inhibitors on Lowering the WAT Temperature and Reducing the Amount of Paraffin Deposit

Energies, 2020
This paper discusses the issues of the impact of pressure and temperature on the precipitation of paraffin deposits from reservoir fluids in the presence of previously prepared paraffin inhibitors. Using a properly modified PVT apparatus, the temperature
Sławomir Szuflita, Michał Pajda, Jerzy Kuśnierczyk, Mirosław Wojnicki, Marcin Warnecki   +4 more
doaj   +1 more source

Prediction of Wax Appearance Temperature Using Artificial Intelligent Techniques

, 2020
The paraffin particles can promote and be involved in the formation of deposits which can lead to plugging of oil production facilities. In this work, an experimental prediction of wax appearance temperature (WAT) has been performed on 59 Algerian crude ...
Nait Amar, Menad, Benamara, Chahrazed, Gharb, Kheira, Hamada, Boudjema   +3 more
core   +1 more source

Rheological Investigation on the Effect of Shear and Time Dependent Behavior of Waxy Crude Oil

MATEC Web of Conferences, 2014
Rheological measurements are essential in transporting crude oil, especially for waxy crude oil. Several rheological measurements have been conducted to determine various rheological properties of waxy crude oil including the viscosity, yield strength ...
Japper-Jaafar A., Bhaskoro P., Sariman M.Z., Rozlee R.   +3 more
doaj   +1 more source

Wax Precipitation and Deposition Risk: Issues on Ethics and Professionalism

Nigerian Journal of Technological Development, 2022
The deposition of wax on pipelines causes problems that affect the oil production rate and the facilities. Several preventive and control measures were employed to manage this problem.
Nura Makwashi, Tariq Ahmed, Stephen Arome Akubo   +2 more
doaj