Carbon dioxide (CO2) storage in geological formations: Overview of mechanisms, storage media, leakage risk, and monitoring techniques
Available online 1 April 2026
The continuous rise in anthropogenic carbon dioxide (CO2) emissions poses severe environmental challenges, including global warming and climate change. Geological CO2 storage (GCS) has emerged as a...
Oil displacement by CO2 and water flooding in fine and conglomerate sandstones: Impact of micropore structure
Available online 1 April 2026
Developing low-permeability sandstone reservoirs by secondary and tertiary methods is strongly influenced by the micropore structure and pronounced heterogeneity, which remain a topic of debate. To...
Development of a Next-Generation Asphaltene Inhibitor for Sustained Permeability Protection and Extended Squeeze Lifetime in Carbonate Reservoirs
Available online 1 April 2026
Asphaltene deposition remains one of the most severe causes of formation damage in carbonate reservoirs, leading to rapid permeability loss and costly flow assurance problems. To mitigate these effects,...
Enhancing Drilling Efficiency and Sustainability through Advanced Cuttings Transport: Fundamentals, Modeling, and Emerging Technologies
Available online 1 April 2026
Efficient cuttings transport is a critical determinant of drilling performance, directly influencing non-productive time (NPT), energy efficiency, and environmental footprint, particularly as modern...
Numerical simulation of microbial biohydrogen production under high-pressure, high-temperature conditions for enhanced recovery from depleted reservoirs
March 2026
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...
Deep learning supported uncertainty quantification of core saturation measurements
March 2026
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...
Characteristics, emissions, capture, storage, and utilization of carbon dioxide: A comprehensive review of challenges and technologies for greenhouse gas mitigation
March 2026
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...
Correlation-based EUR prediction of shale oil wells: A case of the Qingcheng Oil Field in the Ordos Basin
March 2026
Shale reservoirs are characterized by low permeability and a weak capacity for natural seepage. These reservoirs are commonly developed using a combination of horizontal well drilling and fracturing....
An experimental study of proppant transport mechanisms to the pump intake in low-flow oil wells
March 2026
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...
Pseudo-pressure behavior in multilayered reservoir for single phase flow with permeability-pressure dependent
March 2026
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...
Investigation of the anionic-zwitterionic and anionic-nonionic surfactant mixtures on enhanced oil recovery using microfluidic devices
March 2026
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,...
Experimental investigation of tea leaf extract as thinning agent and lubricity enhancer for water-based drilling fluid
March 2026
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...
Mechanical analysis and structural optimization of anchorage for split segment inserted tooth slips
March 2026
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...
Sensitivity analysis of effective parameters in water saturation estimation by using Monte Carlo simulation
March 2026
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...
Synthesis and examination of graphene oxide grafted with copolymer of maleic acid and acrylic acid as a clay stabilizer for enhancing oil production
March 2026
In oil and gas production operations, wellbore instability is primarily caused by shale hydration. Thus, a thermally stable inhibitor is essential to prevent shale hydration. This research focuses on...
Diagenetic calcite-dolomite-pyrite in the organic-rich shales of the Early Silurian Longmaxi Formation in the Yangtze block, South China
March 2026
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...
DLVO-based prediction of critical pH for fines migration in sandstone reservoirs
March 2026
Fines migration is a formation damage mechanism that occurs in sandstone formations due to the incompatibility between injected fluids and in situ fluids during various operations such as water flooding,...
A review on advancing clay-based geopolymers for high-temperature oil well cements: Mechanisms, durability, and applications
March 2026
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...
A quantification of the depositional–diagenetic heterogeneities in paleokarst hydrocarbon reservoirs: Sarvak Formation, Zagros Basin, Iran
March 2026
This study explores the depositional and diagenetic heterogeneities of the Sarvak Formation, a paleokarst carbonate reservoir in the Zagros Basin, Iran, using sedimentological, diagenetic, and statistical...
Study on the expansion characteristics of oil-based drilling fluid in HTHP wellbore
March 2026
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...
Computation of pressure depletion and well productivity of multi-fractured wells with variable fracture spacing using fast and accurate solution method
March 2026
This study presents a fast method that can model the pressure depletion around hydraulically fractured wells accurately. The Gaussian Pressure-Transient (GPT) method has infinite resolution, because...
Oil flow impact characteristics of internal floating roof tanks during floating roof landing and oil receiving processes
March 2026
To maintain the integrity of internal floating roof tanks, curb environmental pollution and guarantee the safety of tank farms, it is important to determine the oil flow features that impact the floating...
Estimation of fluid saturation and pressure distribution throughout a reservoir using machine learning techniques
March 2026
Water saturation is one of the most critical yet often underappreciated petrophysical parameters in reservoir characterization. A wide range of petrophysical and reservoir engineering computations that...
Enhancing oil recovery of gas flooding by regulating rock surface wettability
March 2026
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....
Carbon capture and storage: An evidence-based review of its limitations and missed promises
March 2026
Despite over $40 billion invested globally, Carbon Capture and Storage (CCS) captures and stores less than 0.1% of annual global CO2 emissions, raising serious questions about its efficacy as a climate...