Simultaneous pre-stack prediction of lithology, geofluids, and physical properties in deep tight sandstone reservoirs based on recharacterization of reflection coefficient approximation equation and Bayesian inversion strategy
June 2026
Pre-stack seismic inversion is an important tool for the quantitative interpretation of complex reservoirs. However, the increasing demands of deep tight sandstone exploration require a more integrated...
A two-layer model–based coupled simulation study of multi-cluster hydraulic fracture propagation and proppant transport in shale
June 2026
Effective proppant placement in multi-cluster hydraulic fractures is crucial for shale gas fracturing; however, existing numerical methods face challenges in accurately coupling dynamic fracture propagation...
Modeling overpressure vertical transfer via faults in clastic sequences at the basin scale: Implications for overpressure generation and fluid flow
April 2026
The vertical transfer of overpressure significantly influences the subsurface fluid dynamics, fault zone stability, and geomechanical drilling safety. However, the mechanisms governing vertical overpressure...
Inhibition performance and mechanisms of methane hydrate inhibitors in oil and gas pipelines
April 2026
During winter natural gas transportation, hydrate formation under low-temperature and high-pressure conditions frequently results in pipeline blockage and severe low assurance challenges. Although conventional...
The synthesis and evaluation of two new gas hydrate kinetic inhibitors
April 2026
Gas hydrate plugging is a common yet hazardous problem during oil and gas reservoir exploitation, compelling the petroleum industry to invest substantial resources annually in mitigation strategies....
Sand-carrying thresholds of viscous slickwater: Weissenberg number–based prediction and field application
April 2026
The complex viscoelastic and shear-thinning behavior of slickwater fracturing fluids imposes competing effects on proppant transport, complicating the prediction of sand-carrying capacity and increasing...
Machine-learning models for classification of mudcake thickness in oil-based drilling fluids
April 2026
The performance of oil-based drilling fluids (OBDFs) is critical for maintaining drilling efficiency under conditions in which water-based fluids fail to perform effectively. Mudcake or filtercake thickness...
CO2 solubility and mineral trapping behavior in high-salinity reservoirs
April 2026
CO2 solubility and mineral trapping behavior are critical to the stability and effectiveness of integrating CO2 geological storage synergistically with gas field produced water (GPW) reinjection, a...
Experimental and numerical simulation of gas injection for enhanced oil recovery in naturally fractured condensate gas reservoirs
April 2026
Gas condensate reservoirs constitute important natural gas resources; however, their development is frequently hindered by condensate banking and complex multiphase flow behavior. Naturally fractured...
Intramolecular carbon isotopic fractionation of propane via thermochemical sulfate reduction (TSR) in natural gas reservoirs
February 2026
Thermochemical sulfate reduction (TSR) is an important organic–inorganic reaction that occurs within sedimentary basins and alters the original chemical compositions and isotopic structures of hydrocarbons...
Deflagration fracturing modification of nanoporous structure in the shale reservoirs of the Longmaxi Formation, Southern Sichuan, China
February 2026
Methane in-situ deflagration fracturing in shale is a revolutionary anhydrous technology. This paper selects shale samples from the Longmaxi Formation in Southern Sichuan to conduct deflagration fracturing...
Control of ash yield on vertical pore structure development and its impact on coalbed methane adsorption in the deep coal seams of the Ordos Basin
February 2026
The vertical heterogeneity of the pore structure in deep coal seams with varying ash yields is a key control for coalbed methane storage and producibility; however, its specific impact on gas adsorption...
Nonlinear fluid flow regimes in fractured shale: Impact of confining stresses and water-supercritical CO2 interactions
February 2026
The coupled chemo-mechanical impact of supercritical CO2–H2O (ScCO2–H2O) reactions on fracture geometry and nonlinear flow regimes in deep shale under confining pressures remains inadequately quantified....
Vertical gas dispersion from high-pressure pipeline failures: Characterizing hazardous cloud formation in open environments
February 2026
This paper examines how natural gas disperses vertically when high-pressure pipelines with large openings fail in unconfined environments, providing insight into hazardous gas cloud development and...
Rock-breaking experiments and simulations of shaped cutters in hard rock formations
February 2026
To address the challenges of rapid bit failure and high drilling costs associated with hard limestone in Sichuan Basin of China, we conducted rock-breaking experiments and simulations of shaped (cylindrical,...
Quantitative evaluation of coal fracability based on 3D CT reconstruction and fractal characteristics
February 2026
Fracability is a critical indicator for evaluating the exploration and development potential of coalbed methane reservoirs and assessing the effectiveness of hydraulic fracturing stimulation operations....
Molecular simulation of CH4/CO2/N2 ternary mixture competitive adsorption and diffusion dynamics in tight sandstone
February 2026
Injecting impure CO2 for enhanced gas recovery (CO2-EGR) offers a dual benefit by improving natural gas extraction while enabling CO2 sequestration. However, the interactions between CO2, N2, and CH4...
Experimental study on hydraulic fracture propagation in middle-deep shale gas reservoirs in the southern Sichuan Basin: The effects of vertical heterogeneity
December 2025
During the hydraulic fracturing of shale gas in the southern Sichuan Basin, China, field monitoring data have shown that hydraulic fracture (HF) propagation is restricted by height and cannot sufficiently...
Enhancing offshore oil and gas platform sustainability through wind-powered hydrogen production
December 2025
Decarbonizing offshore oil and gas platforms has become a critical challenge in the energy transition. In this article, we propose the following two models for decarbonizing offshore oil and gas platforms...
