MR. Mahmoud Elsayed

Quantitative Tortuosity Measurements of Carbonate Rocks Using Pulsed Field Gradient NMR

Transport in Porous Media · 2019-12-01

Yang K, Li M, Ling NNA, May EF, Connolly PRJ, Esteban L, Clennell MB, MAHMOUD, Mohamed Ahmed A, EL-HUSSEINY, Ammar, ADEBAYO, Abdulrauf, ELSAYED, Mahmoud, Johns ML

DOI: 10.1007/s11242-019-01341-8

A New Method to Evaluate Reaction Kinetics of Acids with Carbonate Rocks Using NMR Diffusion Measurements

Energy and Fuels · 2020-01-16

ELSAYED, Mahmoud, MAHMOUD, Mohamed Ahmed A, EL-HUSSEINY, Ammar, KAMAL, Muhammad, AL-GARADI, Karem Abdulrahman A

DOI: 10.1021/acs.energyfuels.9b03784

The Effect of Clay Content on the Spin-Spin NMR Relaxation Time Measured in Porous Media

ACS Omega · 2020-03-31

ELSAYED, Mahmoud, GLATZ, Gunther, EL-HUSSEINY, Ammar, ALQUBALEE, Abdullah, ADEBAYO, Abdulrauf, AL-GARADI, Karem Abdulrahman A, MAHMOUD, Mohamed Ahmed A

DOI: 10.1021/acsomega.9b04228

Performance analysis of thermochemical fluids in removing the gas condensate from different gas formations

Journal of Natural Gas Science and Engineering · 2020-06-01

MOHAMMED, Amjed, MAHMOUD, Mohamed Ahmed A, AL-MAJED, Abdulaziz, ELSAYED, Mahmoud, Al-Nakhli A, BaTaweel M

DOI: 10.1016/j.jngse.2020.103333

A novel approach for measuring plane anisotropic permeability through steady-state flow between two concentric cylinders

Advances in Water Resources · 2021-05-01

ELSAIEED, Abdallah, Alassar RS, MAHMOUD, Mohamed Ahmed A, ELSAYED, Mahmoud, Al-Dweik AY

DOI: 10.1016/j.advwatres.2021.103884

Numerical and Experimental Study to Determine the Permeability Anisotropy in Porous Rocks from Probe Permeameter Measurements

Arabian Journal for Science and Engineering · 2021-07-01

AL-AZANI, Khaled Hussein H, EL-HUSSEINY, Ammar, MAHMOUD, Mohamed Ahmed A, Al-Yousef H, ELSAYED, Mahmoud

DOI: 10.1007/s13369-021-05433-w

An experimental study on the effect of magnetic field strength and internal gradient on NMR-Derived petrophysical properties of sandstones

Journal of Petroleum Science and Engineering · 2021-10-01

ELSAYED, Mahmoud, EL-HUSSEINY, Ammar, Kadafur I, MAHMOUD, Mohamed Ahmed A, AL-JAWAD, Murtada, ALQUBALEE, Abdullah

DOI: 10.1016/j.petrol.2021.108811

New Technique for Evaluating Fracture Geometry and Preferential Orientation Using Pulsed Field Gradient Nuclear Magnetic Resonance

SPE Journal · 2021-10-01

ELSAYED, Mahmoud, EL-HUSSEINY, Ammar, Kwak H, HUSSAINI, Syed, MAHMOUD, Mohamed Ahmed A

DOI: 10.2118/205505-PA

Enhanced oil recovery by spontaneous imbibition of imidazolium based ionic liquids on the carbonate reservoir

Journal of Molecular Liquids · 2021-10-15

VIJAYALAKSHMI, Sivabalan, ELSAYED, Mahmoud

DOI: 10.1016/j.molliq.2021.117301

A rock core wettability index using NMR T2 measurements

Journal of Petroleum Science and Engineering · 2022-01-01

AL-GARADI, Karem Abdulrahman A, EL-HUSSEINY, Ammar, ELSAYED, Mahmoud, Connolly P, MAHMOUD, Mohamed Ahmed A, Johns M, ADEBAYO, Abdulrauf

DOI: 10.1016/j.petrol.2021.109386

Model Synthetic Samples for Validation of NMR Signal Simulations

Transport in Porous Media · 2022-04-01

Ling NNA, HUSSAINI, Syed, ELSAYED, Mahmoud, Connolly PRJ, EL-HUSSEINY, Ammar, MAHMOUD, Mohamed Ahmed A, May EF, Johns ML

DOI: 10.1007/s11242-022-01764-w

Minimizing the Barite Scale in Carbonate Formations during the Filter Cake Removal Process

ACS Omega · 2022-05-31

Jaberi JA, AHMED, Abdulmalek, BAGERI, Badr SA, ELSAYED, Mahmoud, MAHMOUD, Mohamed Ahmed A, PATIL, Shirish, AL-GARADI, Karem Abdulrahman A, Barri A, JABERI, Gaber, AL-JABERI, Gaber, FATHELALIEEM, Assad

DOI: 10.1021/acsomega.2c01339

A review on the applications of nuclear magnetic resonance (NMR) in the oil and gas industry: laboratory and field-scale measurements

Journal of Petroleum Exploration and Production Technology · 2022-10-01

ELSAYED, Mahmoud, Isah A, Hiba M, MOHAMMED, Amjed, AL-GARADI, Karem Abdulrahman A, MAHMOUD, Mohamed Ahmed A, EL-HUSSEINY, Ammar, Radwan AE

DOI: 10.1007/s13202-022-01476-3

Influence of long-term stored oil on wettability and its recovery in depleted petroleum reservoirs

Energy Reports · 2022-11-01

ELSAYED, Mahmoud, ABDRABALNABI, Redha, ZHOU, Xianmin, Wu YS

DOI: 10.1016/j.egyr.2022.01.099

Quantifying acid diversion efficiency through NMR tortuosity measurements

Journal of Petroleum Exploration and Production Technology · 2023-03-01

ELSAYED, Mahmoud, BinGhanim A, AL-JAWAD, Murtada, EL-HUSSEINY, Ammar, ABDRABALNABI, Redha, MAHMOUD, Mohamed Ahmed A

DOI: 10.1007/s13202-022-01587-x

Experimental Study on the Impact of Clay Distribution and Mineralogy on NMR T2 and Internal Gradient: Insights From Well-Controlled Physical Samples

SPE Reservoir Evaluation and Engineering · 2023-05-01

ELSAYED, Mahmoud, EL-HUSSEINY, Ammar, HUSSAINI, Syed, Mukainah HA, MAHMOUD, Mohamed Ahmed A

DOI: 10.2118/212300-PA

Experimental and simulation study on the estimation of surface relaxivity of clay minerals

Geoenergy Science and Engineering · 2023-11-01

ELSAYED, Mahmoud, EL-HUSSEINY, Ammar, HUSSAINI, Syed, MAHMOUD, Mohamed Ahmed A

DOI: 10.1016/j.geoen.2023.212260

Evaluation of Polymers as a Strategy to Reduce Asphaltene Adsorption on Rock Surface

SPE Journal · 2024-01-01

MOHAMMED, Isah, AL SHEHRI, Dhafer, MAHMOUD, Mohamed Ahmed A, SULTAN, Abdullah, KAMAL, Muhammad, ALADE, Olalekan, ELSAYED, Mahmoud, ADEBAYO, Abdulrauf, PATIL, Shirish

DOI: 10.2118/213613-PA

Experimental Study of Nanosilica Gel as a Water Shut-Off Agent in Fractured Reservoirs

Energy and Fuels · 2024-04-02

Ali A, AL RAMADAN, Mustafa, Aljawad MS, ELSAYED, Mahmoud, Almohsin A

DOI: 10.1021/acs.energyfuels.4c00338

Evaluating the impact of artificial maturation on the petrophysical and geochemical properties of unconventional shale formations by integrating dielectric and NMR measurements

International Journal of Coal Geology · 2024-04-11

ABUMAHFOUZ, Israa, ELSAYED, Mahmoud, Oshaish A, Al-Ofi S, EL-HUSSEINY, Ammar, Abu-Mahfouz IS, MAHMOUD, Mohamed Ahmed A, Abouelresh M, Attia H, MOHAMMED, Amjed

DOI: 10.1016/j.coal.2024.104492

Chemical enhanced oil recovery under Harsh conditions: Investigation of rock permeability and insights from NMR measurements

Geoenergy Science and Engineering · 2024-05-01

AL-AZANI, Khaled Hussein H, ABU-KHAMSIN, Sidqi, ELSAYED, Mahmoud, PATIL, Shirish, HUSSAIN, Syed Muhammad M, Al Shalabi E, Hassan AM, KAMAL, Muhammad

DOI: 10.1016/j.geoen.2024.212764