A Review on Advancing Clay-Based Geopolymers for High-Temperature Oil Well Cements: Mechanisms, Durability, and Applications.
Available online 21 August 2025
Geopolymers are promising alternatives to Portland cement due to their lower carbon footprint, superior mechanical strength, durability, and reduced shrinkage. However, inconsistent data and significant...
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Experimental investigation of tea leaf extract as thinning agent and lubricity enhancer for water-based drilling fluid
Available online 9 August 2025
This study aims to develop a low-cost and environmentally friendly multifunctional thinning agent for water-based mud (WBM) from tea leaf extract (TLE). Matured tea leaves that are not used for tea...
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Mechanical analysis and structural optimization of anchorage for split segment Inserted Tooth Slips
Available online 9 August 2025
To meet the operational requirements of slip-type packers within TP140V casing in ultra-deep wells and enhance the anchoring performance and load-bearing capacity of the packer’s anchoring mechanism...
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Study on the Expansion Characteristics of Oil-based Drilling fluid in HTHP Wellbore
Available online 7 August 2025
Accurate prediction of oil-based drilling fluid (OBD) behavior under high-temperature, high-pressure (HTHP) conditions in ultra-deep wells is essential for ensuring well control safety. However, research...
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Numerical Simulation of Microbial Biohydrogen Production under High-Pressure, High-Temperature Conditions for Enhanced Recovery from Depleted Reservoirs
Available online 6 August 2025
The growing demand for sustainable energy has intensified interest in biohydrogen production under extreme environmental conditions. This study presents a numerical simulation of hydrogen production...
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Quantifying the effect of mineral compositions on the brittleness of shale using the finite element method
Available online 6 August 2025
The emergence of shale oil and gas has markedly boosted the global oil and gas storage and production growth, impacting the strategic energy patterns of numerous countries. However, exploring and exploiting...
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Diagenetic calcite-dolomite-pyrite in the organic-rich shales of the Early Silurian Longmaxi Formation in the Yangtze Block, South China
Available online 6 August 2025
Carbonate minerals (calcite and dolomite) and pyrite are important brittle minerals in organic-rich shales; however, the mechanism of their formation is still uncertain. This study examined the formation...
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An experimental study of proppant transport mechanisms to the pump intake in low-flow oil wells
Available online 5 August 2025
The exploitation of low-flow oil wells following hydraulic fracturing is often hindered by residual proppant and proppant production during early production phases, which can infiltrate pumps and drastically...
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Facies-controlled diagenesis and its impact on reservoir quality of carbonate sequences: Cretaceous Sarvak Formation in the Zagros Basin, Iran
Available online 5 August 2025
The Cretaceous Sarvak Formation in the Zagros Basin exhibits complex reservoir heterogeneity controlled by depositional facies and sequence stratigraphy-constrained diagenesis. This study integrates...
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Investigation of the anionic-zwitterionic and anionic-nonionic surfactant mixtures on enhanced oil recovery using microfluidic devices
Available online 30 July 2025
Surfactant flooding is one of the widely applied enhanced oil recovery methods. However, the application of a single surfactant is often insufficient to meet the demand for oil recovery. Consequently,...
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Enhancing oil recovery of gas flooding by regulating rock surface wettability
Available online 30 July 2025
Rock surface wettability plays a crucial role in gas flooding for oil recovery. Natural rock surfaces are usually oleophilic, resulting in high flooding resistance and low recovery in gas flooding....
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Sensitivity analysis of effective parameters in water saturation estimation by using Monte Carlo simulation
Available online 16 July 2025
Water saturation is one of the primary and influential parameters in evaluating the reservoir quality of hydrocarbon formations and is typically calculated by the Archie equation. This equation employs...
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Characteristics, emissions, capture, storage, and utilization of carbon dioxide: A comprehensive review of challenges and technologies for greenhouse gas mitigation
Available online 10 July 2025
The capture, storage, and utilization of carbon dioxide (CO2) are pivotal in combating climate change and mitigating greenhouse gas (GHG) emissions. This review offers a comprehensive and critically...
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Pseudo-pressure behavior in multilayered reservoir for single phase flow with permeability-pressure dependent
Available online 9 July 2025
Mathematical techniques continue to become more advanced in developing more complex solutions in different fields, especially in oil reservoir simulation, where various physical parameters are still...
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Deep learning supported uncertainty quantification of core saturation measurements
Available online 2 July 2025
Core extraction and analysis are fundamental components of reservoir development. Core samples provide continuous vertical sections of the subsurface, enabling detailed visual assessment of depositional...
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Production forecasting in carbonate oil reservoirs through integration of deep learning and geological parameters
Available online 1 July 2025
Deep learning has emerged as a groundbreaking proxy model for predicting well production, holding great promise for accelerating the advancement and management of the oil and gas industry. However,...
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Evaluating the potential of depleted oil reservoirs for CO2 sequestration through simulation modeling
June 2025
Leading to achieve net zero emissions, performing carbon capture and storage (CCS) on a large scale is becoming more necessary, especially for developing countries, which are highly affected by the...
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Hydrocarbon generation potential of South Geisum Oilfield, Gulf of Suez, Egypt: Source rock evaluation and basin modeling for unconventional hydrocarbon prospects
June 2025
This study aims to define the hydrocarbon generation potential of source rocks by assessing various factors including quantity of organic matter, types of kerogen, thermal maturity, and source of organic...
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Innovative treatment of toxic oily petroleum wastewater with magnetic sludge under UVA light
June 2025
The primary objective of the present study is to address the critical issue of managing the large volumes of toxic oil sludge and oil waste generated in various industrial processes. This environmental...
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Combined mechanistic and machine learning method for construction of oil reservoir permeability map consistent with well test measurements
June 2025
We introduce a novel method for estimating the spatial distribution of absolute permeability in oil reservoirs, consistent with well logging and well test measurements. The primary objective is to create...
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A 3D printing approach to microfluidic devices for enhanced oil recovery research: An updated perspective
June 2025
Reservoir simulation uses numerical models to study how reservoir properties impact oil recovery. However, numerical modelling is insufficient and is often paired with physical simulation, where physical...
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The role of hydrocyclone and induced gas flotation technologies in offshore produced water deoiling advancements
June 2025
Produced water, a byproduct of oil and gas extraction, presents significant environmental challenges if not properly treated. This review focuses on advancements in two primary offshore deoiling technologies,...
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Organic geochemical aspects of aliphatic hydrocarbon fractions for determining coal bed methane exploration strategies of Sawahlunto and Sangatta coals
June 2025
Sawahlunto (SL-02) and Sangatta (KD-04) coals were analyzed for the presence of aliphatic hydrocarbon fraction biomarkers to assess their organic geochemistry and its implications for selecting exploration...
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Optimum formation depths for CO2 structural trapping: Impact of salinity
June 2025
Geological CO2 storage is considered a promising solution to achieve net-zero goals. Structural trapping is one of the primary mechanisms that holds the injected CO2 within the storage medium and prevents...
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High-resolution sequence stratigraphy of the Ponta do Mel Formation, Potiguar Basin, Brazil: Insights into shallow-marine carbonate reservoir zonation and characterisation
June 2025
This comprehensive study establishes a novel high-resolution sequence stratigraphic framework for a shallow, warm, land-tied carbonate-rimmed shelf represented by the Ponta do Mel Formation. Integration...
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