تصفح Research Units حسب المؤلف "Onawole A."
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Application of DFT in iron sulfide scale removal from oil and gas wells
Onawole A.; Hussein I.; Saad M.; Ahmed M.; Aparicio S. ( European Association of Geoscientists and Engineers, EAGE , 2019 , Conference Paper)Scale formation including those formed by iron sulfides have been a major hassle in the upstream sector of the oil and gas industry for many decades. Iron Sulfide scales including pyrite (FeS2) and troilite (FeS) often ... -
Calcite Scale Inhibition Using Environmental-Friendly Amino Acid Inhibitors: DFT Investigation
Jalab R.; Saad M.A.; Hussein I.A.; Onawole A.T. ( American Chemical Society , 2021 , Article)Scale prevention is a long-term challenge. It is essential for ensuring the optimum utilization of oil and gas wells and minimizing economic losses due to disruptions in the hydrocarbon flow. Among the commonly precipitated ... -
Density-Functional Theory Investigation of Barite Scale Inhibition Using Phosphonate and Carboxyl-Based Inhibitors
Al Hamad M.; Al-Sobhi S.A.; Onawole A.T.; Hussein I.A.; Khraisheh M. ( American Chemical Society , 2020 , Article)Scale deposition is a critical issue in oil and gas exploration and production processes, causing significant blocking in tubing and consequently flow assurance and economic losses. Most studies addressing the scale formation ... -
Dissolution kinetics of different inorganic oilfield scales in green formulations
Ahmed M.; Hussein I.A.; Onawole A.T.; Saad M.A.; Mahmoud M. ( American Chemical Society , 2020 , Article)Scale mineral deposition is a critical problem that hinders the daily production of oil and gas fields. Chemical removal of these scales, based on the scale type, is common. In this paper, borax and diethylene tremaine ... -
Effect of surface morphology on methane interaction with calcite: a DFT study
Onawole A.T.; Hussein I.A.; Carchini G.; Sakhaee-Pour A.; Berdiyorov G.R. ( Royal Society of Chemistry , 2020 , Article)Natural gas, consisting primarily of methane, is found in carbonate reservoirs of which calcite is major component. However, the complexity and heterogeneity of carbonate reservoirs remain a major challenge in estimating ... -
Electrochemical removal of pyrite scale using green formulations
Ahmed M.; Hussein I.A.; Onawole A.T.; Saad M.A.; Khaled M. ( Nature Research , 2021 , Article)Pyrite scale formation is a critical problem in the hydrocarbon production industry; it affects the flow of hydrocarbon within the reservoir and the surface facilities. Treatments with inorganic acids, such as HCl, results ... -
Molecular dynamics and combined docking studies for the identification of Zaire ebola virus inhibitors
Sulaiman K.O.; Kolapo T.U.; Onawole A.T.; Islam M.A.; Adegoke R.O.; Badmus S.O.... more authors ... less authors ( Taylor and Francis Ltd. , 2019 , Article)Ebola virus (EBOV) is a lethal human pathogen with a risk of global spread of its zoonotic infections, and Ebolavirus Zaire specifically has the highest fatality rate amongst other species. There is a need for continuous ... -
Molecular Modeling Study toward Development of H2S-Free Removal of Iron Sulfide Scale from Oil and Gas Wells
Buijs W.; Hussein I.A.; Mahmoud M.; Onawole A.T.; Saad M.A.; Berdiyorov G.R.... more authors ... less authors ( American Chemical Society , 2018 , Article)A common problem that faces the oil and gas industry is the formation of iron sulfide scale in various stages of production. Recently an effective chemical formulation was proposed to remove all types of iron sulfide scales ... -
Pyrite Scale Removal Using Green Formulations for Oil and Gas Applications: Reaction Kinetics
Ahmed M.E.M.; Saad M.A.; Hussein I.A.; Onawole A.T.; Mahmoud M. ( American Chemical Society , 2019 , Article)Pyrite is one of the toughest iron sulfide scales to remove, which causes major problems in oil and gas production by damaging production equipment. The use of inorganic acid in iron sulfide scale removal particularly ... -
Theoretical studies of methane adsorption on Silica-Kaolinite interface for shale reservoir application
Onawole A.T.; Nasser M.S.; Hussein I.A.; Al-Marri M.J.; Aparicio S. ( Elsevier B.V. , 2021 , Article)Shale gas is mostly made up of methane and is currently being exploited in fulfilling the world's energy demands. Density Functional Theory (DFT) and Molecular Dynamics (MD) techniques are employed for understanding methane ...