Research on the influencing factors and prediction model of sulfur particle aggregation diameter in high-sulfur gas wells
August 2026
The size of sulfur particle aggregates directly influences the critical sulfur particle carrying velocity, flow resistance, sulfur blockage thickness, corrosion rate, and scaling rate in high-sulfur...
Permeability prediction of tight sandstone reservoirs under few-shot and imbalanced conditions: A generative data enhancement and bi-directional attention fusion framework
August 2026
Permeability prediction in tight sandstone reservoirs is strongly influenced by diagenesis, multiscale pore structures and multiphase flow effects, resulting in pronounced spatial heterogeneity. Traditional...
Numerical study on formation blockage and back-pumping during geothermal water reinjection in weakly consolidated heterogeneous reservoirs using a novel mechanism model
August 2026
For the utilization of low-medium temperature geothermal water, the well injection capacity for tail water disposal is often reduced due to the migration of self-generated particles and the invasion...
Microscopic heterogeneity characteristics and movable oil characterization of ultra-deep shale oil in the Mahu Sag
August 2026
The shale oil in the Fengcheng Formation of the Mahu Sag has become an extremely critical target for large-scale reserve growth in the Junggar Basin. Characterized by great burial depth, complex geology,...
Gas condensate recovery in carbonate rocks through wettability alteration: Characterization and optimization by response surface methodology (RSM)
August 2026
Liquid blockage around the wellbore region can significantly decrease the gas and condensate extraction volume from a condensate reservoir. In these kinds of reservoirs, the rock surfaces are commonly...
Mechanisms and patterns of crude oil mobilization in microscopic pores under gravity-assisted CO2 miscible displacement: A case study of tight conglomerate reservoirs in the Mahu Sag, Xinjiang
August 2026
To address the unclear understanding of the microscopic oil displacement mechanisms, patterns of oil mobilization in pore throats, and optimal displacement methods for gravity-assisted CO2 miscible...
Reservoir characterization and pore system heterogeneity analysis of the Eocene Mangahewa Formation: Insights from Kapuni Field, Taranaki Basin
August 2026
Understanding the controls of depositional and diagenetic processes on pore system evolution is essential for predicting fluid flow behavior in sedimentary reservoirs. The sandstones of the Mangahewa...
Mechanistic understanding and mathematical advancements of spontaneous imbibition and fluid saturation measurement: A comprehensive review
August 2026
Accurate prediction of the imbibition of fluid in pores would help to properly estimate the oil/gas recovery. This study is focused on imbibition estimation, considering the influences of various rock...
Torsional vibrations rejection in drilling systems: A combined observer-higher-order sliding mode control approach
August 2026
One of the fundamental challenges in drilling systems is the phenomenon of torsional vibrations that can cause system destruction. This paper presents a new control approach to reject stick-slip vibrations...
Impact of inlet velocity on non-Darcian-Forchheimer oil flow in porous media: A numerical approach
August 2026
Predicting fluid behaviour accurately is crucial for optimising extraction methods in petroleum engineering due to the considerable hurdles posed by the non-Darcian flow of oil through porous surfaces....
A review on functional group chemistry and structure-to-function design for mechanism-centric nanoparticle EOR
August 2026
A significant challenge in advancing nanoparticle-based enhanced oil recovery (EOR) is the gap between synthesis and application. Many reviews catalog surface modification techniques but fail to explain...
