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  1. Article ; Online: Theoretical Studies of a Silica Functionalized Acrylamide for Calcium Scale Inhibition.

    Onawole, Abdulmujeeb T / Hussein, Ibnelwaleed A / Saad, Mohammed A / Ismail, Nadhem / Alshami, Ali / Nasser, Mustafa S

    Polymers

    2022  Volume 14, Issue 12

    Abstract: The calcium carbonate ( ... ...

    Abstract The calcium carbonate (CaCO
    Language English
    Publishing date 2022-06-09
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2527146-5
    ISSN 2073-4360 ; 2073-4360
    ISSN (online) 2073-4360
    ISSN 2073-4360
    DOI 10.3390/polym14122333
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Computational Screening of Potential Inhibitors of

    Onawole, Abdulmujeeb T / Hussein, Ibnelwaleed A / Saad, Mohammed A / Ahmed, Musa E M / Nimir, Hassan

    ACS omega

    2021  Volume 6, Issue 16, Page(s) 10607–10617

    Abstract: Sulfate-reducing bacteria (SRB), such ... ...

    Abstract Sulfate-reducing bacteria (SRB), such as
    Language English
    Publishing date 2021-04-13
    Publishing country United States
    Document type Journal Article
    ISSN 2470-1343
    ISSN (online) 2470-1343
    DOI 10.1021/acsomega.0c06078
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Calcite Scale Inhibition Using Environmental-Friendly Amino Acid Inhibitors: DFT Investigation.

    Jalab, Rem / Saad, Mohammed A / Hussein, Ibnelwaleed A / Onawole, Abdulmujeeb T

    ACS omega

    2021  Volume 6, Issue 47, Page(s) 32120–32132

    Abstract: 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 scales is calcite, especially ... ...

    Abstract 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 scales is calcite, especially in oilfield production facilities. Previous studies on scale inhibitors have focused on investigating the performance of several phosphonates and carboxylates. However, the increased environmental awareness has pushed toward investigating environmental-friendly inhibitors. Research studies demonstrated the potential of using amino acids as standalone inhibitors or as inhibitor-modifying reagents. In this study, 10 amino acids for calcite inhibitors have been investigated using molecular simulations. Eco-toxicity, quantum chemical calculations, binding energy, geometrical, and charge analyses were all evaluated to gain a holistic view of the behavior and interaction of these inhibitors with the calcite {1 0 4} surface. According to the DFT simulation, alanine, aspartic acid, phenylalanine, and tyrosine amino acids have the best inhibitor features. The results revealed that the binding energies were -2.16, -1.75, -2.24, and -2.66 eV for alanine, aspartic acid, phenylalanine, and tyrosine, respectively. Therefore, this study predicted an inhibition efficiency of the order tyrosine > phenylalanine > alanine > aspartic acid. The predicted inhibition efficiency order reveals agreement with the reported experimental results. Finally, the geometrical and charge analyses illustrated that the adsorption onto calcite is physisorption in the acquired adsorption energy range.
    Language English
    Publishing date 2021-11-16
    Publishing country United States
    Document type Journal Article
    ISSN 2470-1343
    ISSN (online) 2470-1343
    DOI 10.1021/acsomega.1c04888
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  4. Article ; Online: Development of a New Borax-Based Formulation for the Removal of Pyrite Scales.

    Ahmed, Musa / Hussein, Ibnelwaleed A / Onawole, Abdulmujeeb T / Saad, Mohammed A

    ACS omega

    2020  Volume 5, Issue 24, Page(s) 14308–14315

    Abstract: In the oil and gas industry, pyrite forms one of the most hardened scales in reservoirs, which hinders the flow of fluids. Consequently, this leads to blockage of the downhole tubular, formation damage, and complete shutdown of production and operational ...

    Abstract In the oil and gas industry, pyrite forms one of the most hardened scales in reservoirs, which hinders the flow of fluids. Consequently, this leads to blockage of the downhole tubular, formation damage, and complete shutdown of production and operational processes. Herein, a new green formulation based on borax (K
    Language English
    Publishing date 2020-06-12
    Publishing country United States
    Document type Journal Article
    ISSN 2470-1343
    ISSN (online) 2470-1343
    DOI 10.1021/acsomega.0c00556
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  5. Article ; Online: Calcite Scale Inhibition Using Environmental-Friendly Amino Acid Inhibitors

    Rem Jalab / Mohammed A. Saad / Ibnelwaleed A. Hussein / Abdulmujeeb T. Onawole

    ACS Omega, Vol 6, Iss 47, Pp 32120-

    DFT Investigation

    2021  Volume 32132

    Keywords Chemistry ; QD1-999
    Language English
    Publishing date 2021-11-01T00:00:00Z
    Publisher American Chemical Society
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Electrochemical removal of pyrite scale using green formulations.

    Ahmed, Musa / Hussein, Ibnelwaleed A / Onawole, Abdulmujeeb T / Saad, Mohammed A / Khaled, Mazen

    Scientific reports

    2021  Volume 11, Issue 1, Page(s) 4796

    Abstract: 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 in generation toxic hydrogen ... ...

    Abstract 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 in generation toxic hydrogen sulfide, high corrosion rates, and low dissolving power. In this work, the dissolution of pyrite scale is enhanced by the introduction of electrical current to aid the chemical dissolution. The electrolytes used in this study are chemical formulations mainly composed of diethylenetriamine-pentaacetic acid-potassium (DTPAK
    Language English
    Publishing date 2021-02-26
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-021-84195-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Effect of surface morphology on methane interaction with calcite: a DFT study.

    Onawole, Abdulmujeeb T / Hussein, Ibnelwaleed A / Carchini, Giuliano / Sakhaee-Pour, A / Berdiyorov, Golibjon R

    RSC advances

    2020  Volume 10, Issue 28, Page(s) 16669–16674

    Abstract: 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 ultimate recovery. Herein, ... ...

    Abstract 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 ultimate recovery. Herein, density functional theory calculations are employed to study the effect of surface morphology on the adsorption of CH
    Language English
    Publishing date 2020-04-28
    Publishing country England
    Document type Journal Article
    ISSN 2046-2069
    ISSN (online) 2046-2069
    DOI 10.1039/d0ra02471f
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Iridium(III)-based minor groove binding complexes as DNA photocleavage agents.

    Aderinto, Stephen O / John, Torsten / Onawole, Abdulmujeeb / Galleh, Raphael Peter / Thomas, Jim A

    Dalton transactions (Cambridge, England : 2003)

    2024  

    Abstract: Transition metal complexes containing the qtpy ligand (2':4,4'':4',4'''-quaterpyridyl) are known to be DNA intercalators or minor groove binders. In this study, new tricationic iridium(III) complexes of qtpy are reported. Both [Ir(bpy) ...

    Abstract Transition metal complexes containing the qtpy ligand (2':4,4'':4',4'''-quaterpyridyl) are known to be DNA intercalators or minor groove binders. In this study, new tricationic iridium(III) complexes of qtpy are reported. Both [Ir(bpy)
    Language English
    Publishing date 2024-03-11
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472887-4
    ISSN 1477-9234 ; 1364-5447 ; 0300-9246 ; 1477-9226
    ISSN (online) 1477-9234 ; 1364-5447
    ISSN 0300-9246 ; 1477-9226
    DOI 10.1039/d4dt00171k
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Dissolution Kinetics of Different Inorganic Oilfield Scales in Green Formulations

    Musa Ahmed / Ibnelwaleed A. Hussein / Abdulmujeeb T. Onawole / Mohammed A. Saad / Mohamed Mahmoud

    ACS Omega, Vol 5, Iss 46, Pp 29963-

    2020  Volume 29970

    Keywords Chemistry ; QD1-999
    Language English
    Publishing date 2020-11-01T00:00:00Z
    Publisher American Chemical Society
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: Development of a New Borax-Based Formulation for the Removal of Pyrite Scales

    Musa Ahmed / Ibnelwaleed A. Hussein / Abdulmujeeb T. Onawole / Mohammed A. Saad

    ACS Omega, Vol 5, Iss 24, Pp 14308-

    2020  Volume 14315

    Keywords Chemistry ; QD1-999
    Language English
    Publishing date 2020-06-01T00:00:00Z
    Publisher American Chemical Society
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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