Ahmed Abdulhamid Mahmoud
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View article: A Comprehensive Review of Cement Degradation Analysis under Downhole Conditions: CCS/CCUS/CO<sub>2</sub>-EOR Applications
A Comprehensive Review of Cement Degradation Analysis under Downhole Conditions: CCS/CCUS/CO<sub>2</sub>-EOR Applications Open
The long-term performance of wellbore cement in CO2-rich environments remains a critical challenge for carbon capture and storage (CCS), carbon utilization and storage (CCUS), and CO2-enhanced oil recovery (CO2
View article: Application of Qusaiba Kaolinite Clays as Secondary Cementitious Material in Oil Well Cementing
Application of Qusaiba Kaolinite Clays as Secondary Cementitious Material in Oil Well Cementing Open
The oil and gas industry, constituting 90% of Saudi Arabia's exports, relies on essential operations, including oil-well cementing. This crucial process ensures zonal isolation and wellbore structural support. While traditional cementing i…
View article: Turning Waste into Resource: Red Mud as a Sustainable Alternative to Class G Cement in Surface Casing Cementing
Turning Waste into Resource: Red Mud as a Sustainable Alternative to Class G Cement in Surface Casing Cementing Open
Sustainability of well cementing operations is a growing concern due to the high carbon footprint of Class G cement production. This study investigates the feasibility of using red mud, an industrial by-product of alumina manufacturing, as…
View article: The impact of mutations on TP53 protein and MicroRNA expression in HNSCC: Novel insights for diagnostic and therapeutic strategies
The impact of mutations on TP53 protein and MicroRNA expression in HNSCC: Novel insights for diagnostic and therapeutic strategies Open
The tumor suppressor protein p53 (TP53) is frequently mutated in various types of human malignancies, including HNSCC, which affects tumor growth, prognosis, and treatment. Gaining insight into the impact of TP53 mutations in HNSCC is cruc…
View article: Assessing the influence of olive waste on the filtration properties, elasticity, porosity, and strength of oil well cement
Assessing the influence of olive waste on the filtration properties, elasticity, porosity, and strength of oil well cement Open
The use of waste materials in industrial applications has gained significant attention due to the growing emphasis on sustainability and environmental conservation. Recycling agricultural by-products, such as olive waste, presents an oppor…
View article: A review of the critical conditions required for effective hole cleaning while horizontal drilling
A review of the critical conditions required for effective hole cleaning while horizontal drilling Open
Horizontal drilling has become increasingly prevalent in the oil and gas industry due to its potential for enhanced reservoir recovery and reduced environmental impact. However, effective hole cleaning remains a critical challenge in horiz…
View article: Analog and Multi-modal Manufacturing Datasets Acquired on the Future Factories Platform V2
Analog and Multi-modal Manufacturing Datasets Acquired on the Future Factories Platform V2 Open
This paper presents two industry-grade datasets captured during an 8-hour continuous operation of the manufacturing assembly line at the Future Factories Lab, University of South Carolina, on 08/13/2024. The datasets adhere to industry sta…
View article: Predicting Water Saturation in a Greek Oilfield with the Power of Artificial Neural Networks
Predicting Water Saturation in a Greek Oilfield with the Power of Artificial Neural Networks Open
Water saturation plays a vital role in calculating the volume of hydrocarbon in reservoirs and defining the net pay. It is also essential for designing the well completion. Innacurate water saturation calculation can lead to poor decision-…
View article: Predicting the Rate of Penetration while Horizontal Drilling through Unconventional Reservoirs Using Artificial Intelligence
Predicting the Rate of Penetration while Horizontal Drilling through Unconventional Reservoirs Using Artificial Intelligence Open
Estimating the rate of penetration (ROP) is one of most critical tasks for evaluating the efficiency and profitability of drilling operation, which will aim in decision-making related to well planning, time estimation, cost estimation, bit…
View article: Enhancing the properties of high-density oil well cement with Qusaiba kaolinite
Enhancing the properties of high-density oil well cement with Qusaiba kaolinite Open
View article: A New Empirical Correlation for Pore Pressure Prediction Based on Artificial Neural Networks Applied to a Real Case Study
A New Empirical Correlation for Pore Pressure Prediction Based on Artificial Neural Networks Applied to a Real Case Study Open
Pore pressure prediction is a critical parameter in petroleum engineering and is essential for safe drilling operations and wellbore stability. However, traditional methods for pore pressure prediction, such as empirical correlations, requ…
View article: Foamed Cement Applications in Oil Industry Based on Field Experience: A Comprehensive Review
Foamed Cement Applications in Oil Industry Based on Field Experience: A Comprehensive Review Open
Foam cement is a versatile cementing material that has found numerous applications in the oil and gas industry. As research continues to advance and improve the properties of foam cement, it is likely that we will see an increased use of t…
View article: Properties and Performance of Oil Well Slurry and Cement Sheath Incorporating Nano Silica: A Review
Properties and Performance of Oil Well Slurry and Cement Sheath Incorporating Nano Silica: A Review Open
The oil well cementing job is the operation in which a cement paste is pumped to fill the annulus behind the casing. Inclusion of nanomaterials in oil well cement results in improving the cement properties. This paper provides a comprehens…
View article: Turning Waste into Resource: Red Mud as a Sustainable Alternative to Class G Cement in Surface Casing Cementing
Turning Waste into Resource: Red Mud as a Sustainable Alternative to Class G Cement in Surface Casing Cementing Open
View article: Turning Waste into Resource: Red Mud as a Sustainable Alternative to Class G Cement in Surface Casing Cementing
Turning Waste into Resource: Red Mud as a Sustainable Alternative to Class G Cement in Surface Casing Cementing Open
View article: The Combined Effect of Nanoclay Powder and Curing Time on the Properties of Class G Cement
The Combined Effect of Nanoclay Powder and Curing Time on the Properties of Class G Cement Open
When the cement paste is subjected to stresses, the cement matrix and its characteristics are dramatically influenced, especially in the early ages of cement hydration when the cement properties have not yet settled. Nanoclay, which is mad…
View article: The Effect of Olive Waste on the Rheological Properties, Thickening Time, Permeability, and Strength of Oil Well Cement
The Effect of Olive Waste on the Rheological Properties, Thickening Time, Permeability, and Strength of Oil Well Cement Open
In the oil and gas industry, cementing is a very important process to maintain the stability of the well. The cement can provide an effective plug against fluid movement and at the same time supports the casing and formations. Based on the…
View article: Evaluation of the wellbore drillability while horizontally drilling sandstone formations using combined regression analysis and machine learning models
Evaluation of the wellbore drillability while horizontally drilling sandstone formations using combined regression analysis and machine learning models Open
The rate of penetration (ROP) is an influential parameter in the optimization of oil well drilling because it has a huge impact on the total drilling cost. This study aims to optimize four machine learning models for real-time evaluation o…
View article: Effect of Graphite on the Mechanical and Petrophysical Properties of Class G Oil Well Cement
Effect of Graphite on the Mechanical and Petrophysical Properties of Class G Oil Well Cement Open
Casing cementing is one of the most crucial operations in the oil well drilling process since it determines the durability and stability of the well throughout its life. Different additives have been mixed into the oil well cement slurry t…
View article: The effect of polypropylene fiber on the curing time of class G oil well cement and its mechanical, petrophysical, and elastic properties
The effect of polypropylene fiber on the curing time of class G oil well cement and its mechanical, petrophysical, and elastic properties Open
The cement paste is subjected to various loads throughout a well’s life, which may compromise some of its essential characteristics and impair its performance. When the cement paste is first being formed and the cement’s characteristics ha…
View article: Real-time evaluation of the dynamic Young’s modulus for composite formations based on the drilling parameters using different machine learning algorithms
Real-time evaluation of the dynamic Young’s modulus for composite formations based on the drilling parameters using different machine learning algorithms Open
The dynamic Young’s modulus (E dyn ) is a parameter needed for optimizing different aspects related to oil well designing. Currently, E dyn is determined from the knowledge of the formation bulk density, in addition to the shear and compre…
View article: Effect of micro-magnesium oxide admixture on rheological and compressive strength properties of class G well cement
Effect of micro-magnesium oxide admixture on rheological and compressive strength properties of class G well cement Open
Rheological property tuning is one key aspect of oil-well cement, not only affecting the cement slurry placement but also indirectly impacting other cementing properties such as the bonding strength and compressive strength. However, the r…
View article: Curing Time Impacts on the Mechanical and Petrophysical Properties of a Laponite-Based Oil Well Cement
Curing Time Impacts on the Mechanical and Petrophysical Properties of a Laponite-Based Oil Well Cement Open
Throughout the life of a well, the cement sheath is exposed to several loadings, which can harm its key properties and impede its functions. These loadings become more significant at the early age of forming the cement sheath in which the …
View article: The Use of Graphite to Improve the Stability of Saudi Class G Oil-Well Cement against the Carbonation Process
The Use of Graphite to Improve the Stability of Saudi Class G Oil-Well Cement against the Carbonation Process Open
Oil-well cement physical characteristics considerably change after being carbonated by a CO2-rich solution. In this study, the influence of graphite particles in the characteristics of oil-well cement reacted with a CO2
View article: 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
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 Open
This study presented an empirical correlation to estimate the drilling rate of penetration (ROP) while drilling into a sandstone formation. The equation developed in this study was based on the artificial neural networks (ANN) which was le…
View article: A review of the various treatments of oil-based drilling fluids filter cakes
A review of the various treatments of oil-based drilling fluids filter cakes Open
Treatment of the filter cake layer after drilling is essential for better cement integrity and to retain the original reservoir permeability. Compared to water-based filter cake, oil-based mud filter cake removal is more sophisticated as o…
View article: Recent Advances in Magnesia Blended Cement Studies for Geotechnical Well Construction—A Review
Recent Advances in Magnesia Blended Cement Studies for Geotechnical Well Construction—A Review Open
The current paper presents a literature review on the studies of incorporation of magnesia (magnesium oxide) into Portland cement material from the geotechnical well construction perspective. Starting with a comparison of application condi…
View article: Utilization of Landsat-8 Imagery and Aeromagnetic Data for Deciphering Alteration Zones and Structures: Implications for Mineral Exploration in the Southeastern Desert of Egypt
Utilization of Landsat-8 Imagery and Aeromagnetic Data for Deciphering Alteration Zones and Structures: Implications for Mineral Exploration in the Southeastern Desert of Egypt Open
Remote-sensing (RS) and aeromagnetic data implemented notable information for mineralization potentiality detection of ore deposits within Al-Allaqi region of the southeastern Desert of Egypt.Several approaches of remote-sensing and aeroma…
View article: [Retracted] Utilization of Artificial Neural Network in Predicting the Total Organic Carbon in Devonian Shale Using the Conventional Well Logs and the Spectral Gamma Ray
[Retracted] Utilization of Artificial Neural Network in Predicting the Total Organic Carbon in Devonian Shale Using the Conventional Well Logs and the Spectral Gamma Ray Open
Due to high oil and gas production and consumption, unconventional reservoirs attracted significant interest. Total organic carbon (TOC) is a significant measure of the quality of unconventional resources. Conventionally, TOC is measured e…
View article: The Use of the Granite Waste Material as an Alternative for Silica Flour in Oil-Well Cementing
The Use of the Granite Waste Material as an Alternative for Silica Flour in Oil-Well Cementing Open
Silica flour is one of the most commonly used material in cementing oil wells at high-temperature conditions of above 230 °F to prevent the deterioration in the strength of the cement. In this study, replacement of the silica flour with th…