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...
Experimental Investigation on the Impact of Acoustic Vibrations on Rock Permeability While Filtration of Crude Petroleum with Wax Particles
Available online 26 March 2026
The work focuses on studying the effect of acoustic vibrations on the permeability of rocks during filtration of crude petroleum with wax particles blocking the rock pore space. Field data demonstrate...
Geochemical Characterization and Proxy Development for Hydrocarbon Potential Assessment of Shale in Lower Cretaceous Yingcheng Formation of Songliao Basin, China: A Principal Component Analysis Approach
Available online 25 March 2026
The Southern Shuangcheng Depression, located in the northern part of the Songliao Basin in northeast China, contains organic-rich lacustrine shale intervals within the Lower Cretaceous Yingcheng Formation...
CT-Based Investigation and Numerical Modeling of Wettability Alteration During Spontaneous Imbibition
Available online 25 March 2026
This study explores the effect of brine salinity on spontaneous imbibition (SI) in oil-wet carbonate rocks, with a particular focus on the enhancement of oil recovery through wettability alteration....
A new method for calculating the residual oil saturation in the fracturing sections of horizontal wells after volumetric fracturing: A case study of tight conglomerate oil reservoirs in the Mahu Sag, Xinjiang
Available online 23 March 2026
Horizontal well volumetric fracturing technology is typically used to increase oil and gas production from a single well and the ultimate recovery rate of a reservoir by creating a network of artificial...