Browsing GPC Research by Author "Mahmoud M."
Now showing items 1-20 of 20
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A theoretical study of gas adsorption on calcite for CO2 enhanced natural gas recovery
Carchini G.; Hussein I.; Al-Marri M.J.; Shawabkeh R.; Mahmoud M.; Aparicio S.... more authors ... less authors ( Elsevier B.V. , 2020 , Article)The adsorption of gas molecules (CO2, CH4, H2O, H2S and N2) on calcite (104) has been studied by means of Density Functional Theory for molecular characterization of Enhanced Gas Recovery (EGR) CO2 injection. Results show ... -
A theoretical study of gas adsorption on α-quartz (0 0 1) for CO2 enhanced natural gas recovery
Carchini G.; Hussein I.; Al-Marri M.J.; Shawabkeh R.; Mahmoud M.; Aparicio S.... more authors ... less authors ( Elsevier B.V. , 2020 , Article)The adsorption of gas molecules (CO2, CH4, H2O, H2S and N2) on the “dense” (0 0 1) surface of α-quartz has been investigated by means of Density Functional Theory (DFT) for the molecular characterization of Enhanced Gas ... -
Ab-Initio Molecular Dynamics investigation of gas adsorption on α-quartz (001) for CO2 enhanced natural gas recovery
Carchini G.; Hussein I.A.; Al-Marri M.J.; Mahmoud M.; Shawabkeh R.; Aparicio S.... more authors ... less authors ( Elsevier B.V. , 2021 , Article)In this work, the interaction of methane and carbon dioxide on α-quartz with surface 001, with a siloxane termination (dense) surface was investigated by means of Ab-Initio Molecular Dynamics. Different temperatures were ... -
Applications of chelating agents in the upstream oil and gas industry: A review
Hassan A.; Mahmoud M.; Bageri B.S.; Aljawad M.S.; Kamal M.S.; Barri A.A.; Hussein I.A.... more authors ... less authors ( American Chemical Society , 2020 , Article Review)Chelating agents show very effective performance in different applications in the upstream oil and gas industry. This study presents a critical review of the application of chelating agents in acidizing, scale removal, ... -
Carbon dioxide EGR and sequestration in mature and immature shale: Adsorption study
Mahmoud M.; Hamza A.; Hussein I.A.; Eliebid M.; Kamal M.S.; Abouelresh M.; Shawabkeh R.; Al-Marri M.J.... more authors ... less authors ( Elsevier B.V. , 2020 , Article)Recently, CO2 sequestration in different shale formations has become an attractive option owing to the abundance of shale basins. However, these formations have different maturity levels and contain a variety of minerals ... -
Clay minerals damage quantification in sandstone rocks using core flooding and NMR
Kamal M.S.; Mahmoud M.; Hanfi M.; Elkatatny S.; Hussein I. ( Springer Verlag , 2019 , Article)Sandstone oil reservoirs consist of different clay minerals such as kaolinite, illite, and chlorite. These clay minerals highly affect the formation damage during enhanced oil recovery (EOR) and well stimulation operations ... -
CO2 enhanced gas recovery and sequestration in depleted gas reservoirs: A review
Hamza A.; Hussein I.A.; Al-Marri M.J.; Mahmoud M.; Shawabkeh R.; Aparicio S.... more authors ... less authors ( Elsevier B.V. , 2021 , Article Review)Increasing CO2 emissions and global warming side effects have prompted the researchers to look for safe and reliable storage sites that have high capacity. Among the available CO2 capturing sinks, depleted gas reservoirs ... -
Development of efficient formulation for the removal of iron sulphide scale in sour production wells
Mahmoud M.; Hussein I.A.; Sultan A.; Saad M.A.; Buijs W.; Vlugt T.J.H.... more authors ... less authors ( Wiley-Liss Inc. , 2018 , Article)Iron sulphide scale, which exists in different forms, is common in sour oil and gas production wells. Iron sulphide hard scales are difficult to remove with acids, requiring mechanical intervention or the replacement of ... -
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 CO2 adsorption on enhanced natural gas recovery and sequestration in carbonate reservoirs
Eliebid M.; Mahmoud M.; Shawabkeh R.; Elkatatny S.; Hussein I.A. ( Elsevier B.V. , 2018 , Article)In this study, CO2 injection for the purpose of Enhanced Gas Recovery (EGR) and sequestration after primary recovery is investigated on Pink Desert limestone from Edwards Plateau formation in central-west Texas. In this ... -
Effect of rock mineralogy on Hot-CO2 injection for enhanced gas recovery
Mahmoud M.; Hussein I.; Carchini G.; Shawabkeh R.; Eliebid M.; Al-Marri M.J.... more authors ... less authors ( Elsevier B.V. , 2019 , Article)Conventional gas reservoirs are one of the viable options for CO2 enhanced gas recovery and sequestration. Injection of hot CO2 into depleted reservoirs is expected to improve gas recovery. Static adsorption and core ... -
Evaluation of the Reaction Kinetics of Diethylenetriaminepentaacetic Acid Chelating Agent and a Converter with Barium Sulfate (Barite) Using a Rotating Disk Apparatus
Mahmoud, Mohamed; Ba Geri, Badr; Abdelgawad, Khaled; Kamal, Muhammad Shahzad; Hussein, Ibnelwaleed; Elkatatny, Salaheldin; Shawabkeh, Reyad... more authors ... less authors ( American Chemical Society , 2018 , Article)Barium sulfate (barite) is a major oil and gas field scale formed inside the production equipment as well as in the reservoir. During drilling of oil and gas wells, barite serves as a weighting material in different drilling ... -
Impact of clays on CO2 adsorption and enhanced gas recovery in sandstone reservoirs
Hamza A.; Hussein I.A.; Al-Marri M.J.; Mahmoud M.; Shawabkeh R. ( Elsevier Ltd , 2021 , Article)Carbon dioxide enhanced gas recovery (EGR) is a promising technique to sequester CO2 and boost natural gas recovery from conventional depleted and unconventional tight gas reservoirs. Clay minerals are usually present in ... -
Impact of Surfactant on the Retention of CO2 and Methane in Carbonate Reservoirs
Eliebid M.; Mahmoud M.; Hussein I.; Elkatatny S.; Shawabkeh R.; Sultan A.; Al-Marri M.J.... more authors ... less authors ( American Chemical Society , 2018 , Article)Enhanced gas recovery methods such as foamed CO2 are recommended for depleted gas reservoirs. Viscoelastic surfactant (VES) is a form of a surfactant used for forming CO2 foam. In this study, the impact of VES on CH4 and ... -
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 ... -
Oilfield scale formation and chemical removal: A review
KamalM.S.; HusseinI.; MahmoudM.; SultanA.S.; SaadM.A.S. ( Elsevier B.V. , 2018 , Article Review)In oil and gas industry operations, scale deposition on the surface and subsurface production equipment can cause different problems such as formation damage, loss in production, pressure reductions, and premature failure ... -
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 ... -
Review of Iron Sulfide Scale Removal and Inhibition in Oil and Gas Wells: Current Status and Perspectives
Hamza A.; Hussein I.A.; Jalab R.; Saad M.; Mahmoud M. ( American Chemical Society , 2021 , Article Review)Iron sulfide scale is one of the main types of inorganic scales that block oil and gas wells. Iron sulfide has polymorph crystallinity structures, which complicate its dissolving and inhibition. Hydrochloric acid (HCl) is ... -
Stimulation of high temperature carbonate gas reservoirs using seawater and chelating agents: Reaction kinetics
Abdelgawad K.Z.; Mahmoud M.; Hussein I. ( Elsevier B.V. , 2018 , Article)The use of hydrochloric acid (HCl) in gas well stimulation of high temperature reservoirs is currently facing different challenges. These challenges include rapid corrosion of the well tubulars, face dissolution, very high ... -
Thermochemical Upgrading of Calcium Bentonite for Drilling Fluid Applications
Magzoub M.; Mahmoud M.; Nasser M.; Hussein I.; Elkatatny S.; Sultan A.... more authors ... less authors ( American Society of Mechanical Engineers (ASME) , 2019 , Article)The rheological properties of bentonite suspensions depend on the chemical composition and the contained dominant element, such as calcium (Ca), potassium (K), and sodium (Na). Na-bentonite type is the one used in drilling ...