Results 11 to 20 of about 23,867 (262)

Critical review of asphaltene properties and factors impacting its stability in crude oil

Journal of Petroleum Exploration and Production Technology, 2019
Asphaltene is a component of crude oil that has been reported to cause severe problems during production and transportation of the oil from the reservoir.
Sherif Fakher, Mohamed Ahdaya, Mukhtar Elturki, Abdulmohsin Imqam   +3 more
doaj   +2 more sources

Experimental measurement and modeling of asphaltene adsorption onto iron oxide and lime nanoparticles in the presence and absence of water

Scientific Reports, 2023
Asphaltene precipitation and its adsorption on different surfaces are challenging topics in the upstream and downstream of the oil industries and the environment.
Sajjad Ansari, Mohammad-Reza Mohammadi, Hamid Bahmaninia, A. Hemmati-Sarapardeh, M. Schaffie, Saeid Norouzi-Apourvari, M. Ranjbar   +6 more
semanticscholar   +1 more source

Asphaltene or Polyvinylchloride Waste Blended with Cement to Produce a Sustainable Material Used in Nuclear Safety

Sustainability, 2022
The current research uses sustainable methods to preserve the environment, such as exploiting municipal or industrial waste that may harm the environment.
H. M. Saleh, I. Bondouk, E. Salama, H. Mahmoud, K. Omar, H. A. Esawii   +5 more
semanticscholar   +1 more source

Impact of Asphaltene Precipitation and Deposition on Wettability and Permeability

ACS Omega, 2021
Asphaltene precipitation and deposition have been a formation damage problem for decades, with the most devastating effects being wettability alteration and permeability impairment.
I. Mohammed, M. Mahmoud, A. El‐Husseiny, D. A. Al Shehri, Karem Al-Garadi, M. Kamal, O. Alade   +6 more
semanticscholar   +1 more source

Evaluation of asphaltene adsorption on minerals of dolomite and sandstone formations in two and three-phase systems

, 2021
Asphaltene adsorption on reservoir rock minerals causes wettability alteration and pore plugging which subsequently reduces crude oil production. Also, it has a negative effect on the efficiency of production and enhanced oil recovery operations.
Mohammad-Reza Mohammadi, Hamid Bahmaninia, Sajjad Ansari, A. Hemmati-Sarapardeh, Saeid Norouzi-Apourvari, Mahin Schaffie, M. Ranjbar   +6 more
semanticscholar   +1 more source

Petroleum Asphaltenes - Part 1: Asphaltenes, Resins and the Structure of Petroleum [PDF]

Oil & Gas Science and Technology, 2004
The definition of the nonvolatile constituents of petroleum (i.e., the asphaltene constituents, the resin constituents, and, to some extent, part of the oils fraction insofar as nonvolatile oils occur in residua and other heavy feedstocks) is an operational aid. It is difficult to base such separations on chemical or structural features.
James G. Speight
openalex   +3 more sources

Molecular Interactions between Asphaltene and Surfactants in a Hydrocarbon Solvent: Application to Asphaltene Dispersion

Symmetry, 2020
Heavy oil and bitumen supply the vast majority of energy resources in Canada. Different methods can be implemented to produce oil from such unconventional resources.
M. Ahmadi, Zhangxin Chen
semanticscholar   +1 more source

Effects of Waxes and the Related Chemicals on Asphaltene Aggregation and Deposition Phenomena: Experimental and Modeling Studies

ACS Omega, 2020
Solid deposition during production, transport, and storage of crude oils leads to significant technical problems and economic losses for the oil and gas industry.
E. Joonaki, A. Hassanpouryouzband, R. Burgass, A. Hase, B. Tohidi   +4 more
semanticscholar   +1 more source

Fractionation and Characterization of Petroleum Asphaltene: Focus on Metalopetroleomics

, 2020
Asphaltenes, as the heaviest and most polar fraction of petroleum, have been characterized by various analytical techniques. A variety of fractionation methods have been carried out to separate asphaltenes into multiple subfractions for further ...
Fang Zheng, Quan Shi, G. Vallverdu, P. Giusti, B. Bouyssière   +4 more
semanticscholar   +1 more source

Asphaltene Precipitation Investigation Using a Screening Techniques for Crude Oil Sample from the Nahr-Umr Formation/Halfaya Oil Field

Iraqi Journal of Chemical and Petroleum Engineering, 2023
Many oil and gas processes, including oil recovery, oil transportation, and petroleum processing, are negatively impacted by the precipitation and deposition of asphaltene. Screening methods for determining the stability of asphaltenes in crude oil have
Moammed A. Ahmed, Ghassan H. Abdul-Majeed, Ali K. Alhuraishawy   +2 more
doaj   +1 more source