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Ahmed Abdulhamid Ahmed Mahmoud

DR. Ahmed Abdulhamid Ahmed Mahmoud

Assistant Professor

PETE

ahmed.mahmoud@kfupm.edu.sa
59 publications
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Determination of the total organic carbon (TOC) based on conventional well logs using artificial neural network

International Journal of Coal Geology · 2017-06-15

MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, MAHMOUD, Mohamed Ahmed A, Abouelresh M, ABDULRAHEEM, Abdulazeez, ALI, Abdulwahab, MAHMOUD, Ahmed, Mahmoud M

DOI: 10.1016/j.coal.2017.05.012

A Comprehensive Review on Applications of Polymeric Surfactants for Chemical Enhanced Oil Recovery

Recent Advances in Petrochemical Science · 2018-01-23

MAHMOUD, Ahmed

DOI: 10.19080/rapsci.2018.04.555634

Insight into the mechanism for oil recovery using EDTA chelating agent solutions from clayey sandstone rocks

Journal of Petroleum Science and Engineering · 2018-02-01

MAHMOUD, Ahmed Abdulhamid A, Al-Hashim H, MAHMOUD, Ahmed

DOI: 10.1016/j.petrol.2017.11.046

Influence of nanoclay content on cement matrix for oilwells subjected to cyclic steam injection

Materials · 2019-01-01

MAHMOUD, Ahmed, ELKATATNY, Salaheldin, AHMED, Abdulmalek Saif S, GAJBHIYE, Rahul, AHMED, Abdulmalek, MAHMOUD, Ahmed Abdulhamid A, Elkatatny S

DOI: 10.3390/ma12091452

Evaluating the integrity of clayey sandstone rocks flooded with high pH EDTA chelating agent solutions

Journal of Petroleum Science and Engineering · 2019-06-01

MAHMOUD, Ahmed Abdulhamid A, Al-Hashim H, MAHMOUD, Ahmed

DOI: 10.1016/j.petrol.2019.02.074

Estimation of static Young’s modulus for sandstone formation using artificial neural networks

Energies · 2019-06-03

MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, ALI, Abdulwahab, Moussa T, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.3390/en12112125

Mitigating CO2 reaction with hydrated oil well cement under geologic carbon sequestration using nanoclay particles

Journal of Natural Gas Science and Engineering · 2019-08-01

MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1016/j.jngse.2019.102902

Estimation of oil recovery factor for water drive sandy reservoirs through applications of artificial intelligence

Energies · 2019-09-25

MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, CHEN, Weiqing, ABDULRAHEEM, Abdulazeez, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.3390/en12193671

Evaluation of the total organic carbon (TOC) using different artificial intelligence techniques

Sustainability Switzerland · 2019-10-01

MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, ALI, Abdulwahab, Abouelresh M, ABDULRAHEEM, Abdulazeez, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.3390/su11205643

New Robust Model to Estimate Formation Tops in Real Time Using Artificial Neural Networks (ANN)

Petrophysics · 2019-12-01

ELKATATNY, Salaheldin, Al-Abduljabbar A, MAHMOUD, Ahmed, MAHMOUD, Ahmed Abdulhamid A

DOI: 10.30632/pjv60n6-2019a7

The effect of weighting materials on oil-well cement properties while drilling deep wells

Sustainability Switzerland · 2019-12-01

AHMED, Abdulmalek, MAHMOUD, Ahmed, ELKATATNY, Salaheldin, CHEN, Weiqing, MAHMOUD, Ahmed Abdulhamid A, Elkatatny S

DOI: 10.3390/su11236776

Prediction of the rate of penetration while drilling horizontal carbonate reservoirs using the self-adaptive artificial neural networks technique

Sustainability Switzerland · 2020-02-01

Al-AbdulJabbar A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Moussa T, AL SHEHRI, Dhafer, Abughaban M, Al-Yami A, MAHMOUD, Ahmed Abdulhamid A

DOI: 10.3390/su12041376

Application of machine learning in evaluation of the static young’s modulus for sandstone formations

Sustainability Switzerland · 2020-03-01

MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, AL SHEHRI, Dhafer, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.3390/su12051880

Enhancing the cement quality using polypropylene fiber

Journal of Petroleum Exploration and Production Technology · 2020-03-01

ELKATATNY, Salaheldin, GAJBHIYE, Rahul, MAHMOUD, Ahmed Abdulhamid A, MAHMOUD, Ahmed

DOI: 10.1007/s13202-019-00804-4

New hybrid hole cleaning model for vertical and deviated wells

Journal of Energy Resources Technology Transactions of the ASME · 2020-03-01

MAHMOUD, Ahmed Abdulhamid A, ELZENARY, Mahmoud Nader Mahmoud NM, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1115/1.4045169

Improving class G cement carbonation resistance for applications of geologic carbon sequestration using synthetic polypropylene fiber

Journal of Natural Gas Science and Engineering · 2020-04-01

MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1016/j.jngse.2020.103184

EDoS-ADS: An Enhanced Mitigation Technique against Economic Denial of Sustainability (EDoS) Attacks

IEEE Transactions on Cloud Computing · 2020-07-01

Shawahna A, Abu-Amara M, MAHMOUD, Ahmed, Osais Y

DOI: 10.1109/TCC.2018.2805907

A review of different approaches for water-based drilling fluid filter cake removal

Journal of Petroleum Science and Engineering · 2020-09-01

Siddig O, MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1016/j.petrol.2020.107346

Improving Saudi class G oil-well cement properties using the tire waste material

ACS Omega · 2020-10-27

AHMED, Abdulmalek, MAHMOUD, Ahmed, ELKATATNY, Salaheldin, GAJBHIYE, Rahul, MAHMOUD, Ahmed Abdulhamid A, Elkatatny S

DOI: 10.1021/acsomega.0c04270

Improved durability of Saudi Class G oil-well cement sheath in CO2 rich environments using olive waste

Construction and Building Materials · 2020-11-30

MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1016/j.conbuildmat.2020.120623

The use of the granite waste material as an alternative for silica flour in oil-well cementing

ACS Omega · 2020-12-22

ELKATATNY, Salaheldin, AHMED, Abdulmalek, MAHMOUD, Ahmed Abdulhamid A, MAHMOUD, Ahmed

DOI: 10.1021/acsomega.0c04261

A Novel Collaborative IoD-Assisted VANET Approach for Coverage Area Maximization

IEEE Access · 2021-01-01

MAHMOUD, Ahmed, Sheltami TR, Mahmoud AS, Imran M, Shoaib M

DOI: 10.1109/ACCESS.2021.3072431

Artificial neural network model for real-time prediction of the rate of penetration while horizontally drilling natural gas-bearing sandstone formations

Arabian Journal of Geosciences · 2021-01-01

Al-AbdulJabbar A, MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1007/s12517-021-06457-0

DSF: A Distributed SDN Control Plane Framework for the East/West Interface

IEEE Access · 2021-01-01

Almadani B, Beg A, MAHMOUD, Ahmed

DOI: 10.1109/ACCESS.2021.3057690

Modeling and evaluation of software defined networking based 5G core network architecture

IEEE Access · 2021-01-01

Abdulghaffar A, MAHMOUD, Ahmed, Abu-Amara M, Sheltami T

DOI: 10.1109/ACCESS.2021.3049945

Retraction:Utilization of Artificial Neural Network in Predicting the Total Organic Carbon in Devonian Shale Using the Conventional Well Logs and the Spectral Gamma Ray

Computational Intelligence and Neuroscience · 2021-01-01

Siddig O, MAHMOUD, Ahmed, ELKATATNY, Salaheldin, SOUPIOS, Panteleimon

DOI: 10.1155/2021/2486046

Use of Machine Learning and Data Analytics to Detect Downhole Abnormalities while Drilling Horizontal Wells, with Real Case Study

Journal of Energy Resources Technology Transactions of the ASME · 2021-04-01

Alsaihati A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, ABDULRAHEEM, Abdulazeez, MAHMOUD, Ahmed Abdulhamid A

DOI: 10.1115/1.4048070

Bootstrapped LARAC algorithm for fast delay-sensitive QoS provisioning in SDN networks

International Journal of Communication Systems · 2021-07-25

BinSahaq A, Sheltami T, MAHMOUD, Ahmed, Nasser N

DOI: 10.1002/dac.4880

Application of machine learning models for real-time prediction of the formation lithology and tops from the drilling parameters

Journal of Petroleum Science and Engineering · 2021-08-01

MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, Al-AbdulJabbar A, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1016/j.petrol.2021.108574

Estimation of the rate of penetration while horizontally drilling carbonate formation using random forest

Journal of Energy Resources Technology Transactions of the ASME · 2021-09-01

Osman H, ALI, Abdulwahab, MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1115/1.4050778

Novel empirical correlation for estimation of the total organic carbon in devonian shale from the spectral gamma-ray and based on the artificial neural networks

Journal of Energy Resources Technology Transactions of the ASME · 2021-09-01

MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1115/1.4050777

Modeling of aquifer vulnerability index using deep learning neural networks coupling with optimization algorithms

Environmental Science and Pollution Research · 2021-10-01

Elzain HE, Chung SY, Senapathi V, Sekar S, Park N, MAHMOUD, Ahmed, MAHMOUD, Ahmed Abdulhamid A

DOI: 10.1007/s11356-021-14522-0

Recent Advances in Magnesia Blended Cement Studies for Geotechnical Well Construction—A Review

Frontiers in Materials · 2021-10-28

CHEN, Weiqing, ELKATATNY, Salaheldin, MURTAZA, Mobeen, MAHMOUD, Ahmed

DOI: 10.3389/fmats.2021.754431

Machine learning models for generating the drilled porosity log for composite formations

Arabian Journal of Geosciences · 2021-12-01

Gamal H, ELKATATNY, Salaheldin, MAHMOUD, Ahmed

DOI: 10.1007/s12517-021-08807-4

A Novel Artificial Neural Network-Based Correlation for Evaluating the Rate of Penetration in a Natural Gas Bearing Sandstone Formation: A Case Study in a Middle East Oil Field

Journal of Sensors · 2022-01-01

Al-Abduljabbar A, MAHMOUD, Ahmed, ELKATATNY, Salaheldin, Abughaban M, Elkatatny S

DOI: 10.1155/2022/9444076

Artificial neural networks-based correlation for evaluating the rate of penetration in a vertical carbonate formation for an entire oil field

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

Al-AbdulJabbar A, MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, Abughaban M, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1016/j.petrol.2021.109693

A review of the various treatments of oil-based drilling fluids filter cakes

Journal of Petroleum Exploration and Production Technology · 2022-02-01

Siddig O, MAHMOUD, Ahmed, ELKATATNY, Salaheldin, Elkatatny S

DOI: 10.1007/s13202-021-01427-4

The Use of Graphite to Improve the Stability of Saudi Class G Oil-Well Cement against the Carbonation Process

ACS Omega · 2022-02-22

MAHMOUD, Ahmed, ELKATATNY, Salaheldin, AL-MAJED, Abdulaziz, AL RAMADAN, Mustafa, Elkatatny S

DOI: 10.1021/acsomega.1c05686

Estimating the Total Organic Carbon for Unconventional Shale Resources During the Drilling Process: A Machine Learning Approach

Journal of Energy Resources Technology Transactions of the ASME · 2022-04-01

MAHMOUD, Ahmed, GAMAL, Hany Azmy A, ELKATATNY, Salaheldin, Alsaihati A, Elkatatny S

DOI: 10.1115/1.4051737

Curing Time Impacts on the Mechanical and Petrophysical Properties of a Laponite-Based Oil Well Cement

ACS Omega · 2022-09-06

AHMED, Abdulmalek, MAHMOUD, Ahmed, ELKATATNY, Salaheldin, Elkatatny S

DOI: 10.1021/acsomega.2c03491

Effect of micro-magnesium oxide admixture on rheological and compressive strength properties of class G well cement

Frontiers in Materials · 2022-09-14

CHEN, Weiqing, MAHMOUD, Ahmed, ELKATATNY, Salaheldin, Elkatatny S

DOI: 10.3389/fmats.2022.902076

Real-time evaluation of the dynamic Young’s modulus for composite formations based on the drilling parameters using different machine learning algorithms

Frontiers in Earth Science · 2022-11-11

MAHMOUD, Ahmed, GAMAL, Hany Azmy A, ELKATATNY, Salaheldin, CHEN, Weiqing, Elkatatny S

DOI: 10.3389/feart.2022.1034704

The Combined Effect of Nanoclay Powder and Curing Time on the Properties of Class G Cement

Geofluids · 2023-01-01

AHMED, Abdulmalek, MAHMOUD, Ahmed, ELKATATNY, Salaheldin, MAHMOUD, Ahmed Abdulhamid A, Elkatatny S

DOI: 10.1155/2023/7316335

Effect of Graphite on the Mechanical and Petrophysical Properties of Class G Oil Well Cement

ACS Omega · 2023-03-07

Pratama MA, MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1021/acsomega.2c08253

The effect of polypropylene fiber on the curing time of class G oil well cement and its mechanical, petrophysical, and elastic properties

Journal of Petroleum Exploration and Production Technology · 2023-04-01

AHMED, Abdulmalek, MAHMOUD, Ahmed, ELKATATNY, Salaheldin, MAHMOUD, Ahmed Abdulhamid A, Elkatatny S

DOI: 10.1007/s13202-022-01601-2

Evaluation of the wellbore drillability while horizontally drilling sandstone formations using combined regression analysis and machine learning models

Journal of Petroleum Exploration and Production Technology · 2023-07-01

MAHMOUD, Ahmed Abdulhamid A, GAMAL, Hany Azmy A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1007/s13202-023-01635-0

The Effect of Olive Waste on the Rheological Properties, Thickening Time, Permeability, and Strength of Oil Well Cement

ACS Omega · 2023-08-22

Ali A, MAHMOUD, Ahmed, AL RAMADAN, Mustafa, ELKATATNY, Salaheldin, Elkatatny S

DOI: 10.1021/acsomega.3c02621

Performance of the Hole Cleaning Factor in Predicting the Hole Cleaning Conditions in Vertical and Deviated Wells: Real Case Studies

Arabian Journal for Science and Engineering · 2023-12-01

Al-Malki M, MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1007/s13369-023-08042-x

Properties and Performance of Oil Well Slurry and Cement Sheath Incorporating Nano Silica: A Review

ACS Omega · 2024-02-27

MAHMOUD, Ahmed Abdulhamid A, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1021/acsomega.3c07365

Foamed Cement Applications in Oil Industry Based on Field Experience: A Comprehensive Review

ACS Omega · 2024-03-05

MAHMOUD, Ahmed Abdulhamid A, Abdelaal A, Adjei S, ELKATATNY, Salaheldin, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.1021/acsomega.3c07580

A New Empirical Correlation for Pore Pressure Prediction Based on Artificial Neural Networks Applied to a Real Case Study

Processes · 2024-04-01

MAHMOUD, Ahmed Abdulhamid A, Alzayer BM, Panagopoulos G, Kiomourtzi P, KIRMIZAKIS, Panagiotis, ELKATATNY, Salaheldin, SOUPIOS, Panteleimon, MAHMOUD, Ahmed, Elkatatny S

DOI: 10.3390/pr12040664

Rebuilding with sand roses: Cold sintering of sand-gypsum mixture for sustainable brick production

Construction and Building Materials · 2024-09-06

RADWAN, Omar, Hussein MA, Assaggaf RA, HUMPHREY, John, Al-Hashem M, MAHMOUD, Ahmed, MAHMOUD, Ahmed Abdulhamid A

DOI: 10.1016/j.conbuildmat.2024.137642

Predicting Water Saturation in a Greek Oilfield with the Power of Artificial Neural Networks

ACS Omega · 2025-01-14

Gad M, MAHMOUD, Ahmed, Panagopoulos G, Kiomourtzi P, KIRMIZAKIS, Panagiotis, ELKATATNY, Salaheldin, WAHEED, Umair, SOUPIOS, Panteleimon, Elkatatny S

DOI: 10.1021/acsomega.4c07175

A review of the critical conditions required for effective hole cleaning while horizontal drilling

Petroleum · 2025-04-01

Youssef AS, MAHMOUD, Ahmed, ELKATATNY, Salaheldin, AL SHAFLOOT, Talal, Elkatatny S

DOI: 10.1016/j.petlm.2025.02.002

From Hematite to Magnetite: A Comparative Study on Weighting Materials in Well Cementing

SPE Journal · 2025-11-01

Alvayed D, MAHMOUD, Ahmed, ELKATATNY, Salaheldin, Alafnan S, Elkatatny S

DOI: 10.2118/230303-PA

Assessing the influence of olive waste on the filtration properties, elasticity, porosity, and strength of oil well cement

Scientific Reports · 2025-12-01

Ali A, MAHMOUD, Ahmed, AL RAMADAN, Mustafa, ELKATATNY, Salaheldin, AL SHAFLOOT, Talal, Elkatatny S

DOI: 10.1038/s41598-025-89415-0

CO2–Binder Reaction Mechanisms in Geopolymer Wellbore Cements: Alternatives to API Class G Cement in CO2-Rich Environments (CCS)

Molecules · 2026-02-01

Bakri OM, MAHMOUD, Ahmed

DOI: 10.3390/molecules31040620

Hybrid monitoring framework for geological CO2 storage: Comparative insights from nuclear magnetic resonance (NMR) and conventional techniques

Carbon Capture Science & Technology · 2026-03-01

Ghannam Z, Osman M, Bakri OM, MAHMOUD, Mohamed Ahmed A, KAMAL, Muhammad, GAJBHIYE, Rahul, MAHMOUD, Ahmed

DOI: 10.1016/j.ccst.2025.100561

Hybrid Bentonite-Zeolitic Imidazolate Framework Additive as an H2S Scavenger and Strength Enhancer for Class G Oil-Well Cement

ACS Omega · 2026-03-10

Bakri O, Ibrahim AI, MAHMOUD, Ahmed, Onaizi SA

DOI: 10.1021/acsomega.5c12838