Development and Evaluation of a Novel Micro-Nano Plugging Agent for Oil-Based Muds
Available online 12 March 2026
Although there are abundant shale gas resources in China, shale gas is generally buried much deeper than foreign countries. For large-scale development, there are still many core technologies that have...
Enhancing CO2 Huff N Puff Strategies for Improved Oil Recovery in the Bakken Formation: A Numerical Simulation Approach
Available online 10 March 2026
This study investigates the performance of various Huff and Puff (HnP) strategies for enhanced oil recovery (EOR) in the Sanish field of the Bakken formation, using a numerical model developed with...
CO2 WAG and SAG Machine Learning Data-Driven Models in an Open-Source Framework – A Theoretical Study
Available online 6 March 2026
Optimizing CO2 enhanced oil recovery (CO2 EOR) requires numerous reservoir simulations, creating a computational burden that can be addressed using data driven models (DDMs). However, machine learning...
Machine Learning-Based Surrogate Correlation for Prediction of Wax DepositionRate in Oil and Gas Pipelines
Available online 6 March 2026
This study developed a data-driven surrogate-box correlation to predict wax deposition rates in crude-oil pipelines and help address the limited generalizability of empirical and mechanistic models...
Assessing the Efficiency of Long-term CO2 Geological Storage Using an Advanced Multiphase Compositional Simulator
Available online 6 March 2026
CO2 sequestration has a critical role in mitigating climate change impacts, thus we rely on numerical simulations to capture the processes of CO2 injection, migration, and long-term storage. This paper...
CCUS wellbore integrity risk assessment and management based on game theory combination weighting-DHHFLOWLAD
February 2026
In response to the increasing risk of well integrity failure during carbon dioxide capture, utilization and storage (CCUS), a multi-index evaluation and recommendation model based on the game theory...
A quantitative risk assessment model for lightning-induced failures in natural gas automated metering systems
February 2026
As one of the most probable natural hazards leading to technological disasters, lightning can easily damage analytical instruments in oil and gas stations, resulting in data loss and operational anomalies....
Shale oil flow simulation considering laminar characteristics and desorption of ad-/absorbed oil from kerogen
February 2026
Laminated continental shale oil reservoirs have the potential for commercial development. In this paper, a new simulation method for interlayer and intra-layer coupled flow in laminated shale reservoirs...
Production optimization in shale formations: Focus on proppant delivery schedules and mitigation of fracture conductivity damage
February 2026
This study presents recent advances in modeling capacity and provides optimization guidelines for key operational parameters controlling well performance, using real well data. A new Gaussian solution...
Research on the influence of silica fume on the long-term strength development of lightweight cement
February 2026
Silica fume (SF) is commonly added to lightweight cement slurry (LWCS) to enhance strength and stability due to its nanoscale properties. However, the long-term strength development of SF-modified cement...
A two-organoclay formulation approach for enhanced performance of oil-based drilling fluids
February 2026
High-pressure and high-temperature (HPHT) drilling environments challenge the stability and efficiency of conventional oil-based drilling fluids (OBDFs). This study introduces a novel dual-organoclay...
Enhanced oil recovery in tight conglomerate reservoirs using CO2 flooding: A visual model with fractal-based zoning
February 2026
CO2 flooding has emerged as a valuable method for enhancing oil recovery (EOR) in fossil fuel reservoirs. However, the impact of micro-heterogeneity, particularly variations in pore sizes, on CO2 flooding...
A novel DMAA/AMPS/VM/IA quadripolymer as a high temperature and salt resistance fluid loss additive for well cementing
February 2026
Cementing in deep and ultra-deep reservoirs often faces the critical challenge of additive degradation in high-temperature environments. Addressing this, 1-vinylimidazole (VM) was incorporated into...
Molecular insight into the competitive adsorption mechanism of supercritical CO2/Crude oil in shale composite model
February 2026
With the continuous growth of global energy demand, shale oil, as an important unconventional oil and gas resource, is increasingly highlighting its strategic position. As one of the key means of shale...
Hydrocarbon generation potential evaluation of high–over mature Permian source rocks in the Southwestern part of the central depression, Junggar Basin
February 2026
A comprehensive study was conducted on the hydrocarbon generation potential of the deeply buried Permian source rocks with high–over mature in the southwestern part of the Central Depression, Junggar...
Nanoparticles and nanocomposites in enhanced oil recovery, asphaltene inhibition, and carbon dioxide sequestration: Mechanisms and prospects
February 2026
This study provides a comprehensive review of nano-particles and nano-composites applications in oilfield, focusing on their roles in enhanced oil recovery (EOR), asphaltene deposition mitigation, and...
The obstructing implications of the deteriorating diagenetic factors on the reservoir quality and flow capacity of the gas-bearing siliciclastic sequence in the Obaiyed Field, northern Western Desert, Egypt
February 2026
The Obaiyed Gas Field is a significant gas-producing field in the northern Western Desert of Egypt. It is considered a tight gas reservoir because of its highly compact nature resulting from its intensive...
Pre-oxidized PAN/PVP Nanofibrous Membranes with Enhanced Mechanical Robustness and Chemical Stability for High-Flux Separation of Oily Wastewater from Petroleum Production
Available online 13 February 2026
Discharge of oily wastewater, generated from oil and gas production can lead to severe marine and soil contamination, posing long-term threats to ecosystems and water security. Therefore, developing...
Relative permeability model for shale reservoirs considering water distribution and imbibition with two fractal regions
Available online 23 January 2026
Shale gas is a key transitional low-carbon energy source, offering a cleaner-burning alternative to coal, reducing greenhouse gas emissions, and supporting energy security during the transition to renewable...
Reservoir characterization, seal integrity assessment, and monitoring to ensure safe and effective implementation of carbon storage: A critical review
December 2025
CO2 storage is a potential strategy for decarbonizing the fossil-based power and industrial sectors while also serving as a bridge technology for a long-term transition to a zero-emission future. CO2...
Optimizing drilling efficiency: Comparative study of stick-slip vibration of steel and aluminum drill strings
December 2025
This study investigates the torsional stick-slip behavior of steel and aluminum drill strings under varying levels of aggressiveness, which refers to the intensity with which the drill bit interacts...
Evolution law of physical parameters and hydrate reservoir productivity under multi-stage depressurization
December 2025
In the process of gas hydrate depressurization production, the reasonable depressurization rhythm and depressurization amplitude have significant impact on improving production and reducing engineering...
Improving the gas condensate recovery through wettability alteration to gas-wet during gas recycling via dispersion of nanoparticles in gas
December 2025
This research investigates the role of dispersion of nanoparticles in gas during gas recycling process to improve the gas condensate recovery via altering the carbonate reservoirs wettability. The nanoparticles...
A novel injectivity decline prediction model for waterflooding with analytical solutions and field applications
December 2025
Well injectivity decline during waterflooding is primarily attributed to retention of injected particles within pores, subsequently blocking flow channels in near-wellbore regions. Developing a predictive...
Investigating the phase behavior of methane, ethane and their binary mixture confined in a 5 nm slit-like-pore with different wall types: Monte Carlo simulation study
December 2025
This study investigates the phase behavior of methane, ethane, and their binary mixture in both bulk and 5 nm slit-like pores with silica, anhydrite, calcite, dolomite, and montmorillonite walls using...