Xuefeng Qu
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View article: Approaches for estimating the unsaturated hydraulic conductivity of compacted quartz sand via particle packing theory
Approaches for estimating the unsaturated hydraulic conductivity of compacted quartz sand via particle packing theory Open
The unsaturated hydraulic conductivity (K) is one of the most important properties for evaluating moisture and gas migration in soil. However, the precise measurement of K in the laboratory often requires considerable time and economic cos…
View article: Investigating the Influencing Factors of Imbibition of Fracturing Fluids in Tight Reservoirs
Investigating the Influencing Factors of Imbibition of Fracturing Fluids in Tight Reservoirs Open
Tight reservoirs are the focus of unconventional oil and gas resource development, but most tight reservoirs exhibit complex pore structures, strong non-homogeneity, and limited water drive development. Fracturing fluid imbibition is a cri…
View article: Countercurrent imbibition in low-permeability porous media: Non-diffusive behavior and implications in tight oil recovery
Countercurrent imbibition in low-permeability porous media: Non-diffusive behavior and implications in tight oil recovery Open
Countercurrent imbibition is an important mechanism for tight oil recovery, that is, water imbibes spontaneously from the fracture into the porous matrix while oil flows reversely into the fracture. Its significance over cocurrent imbibiti…
View article: Refined polysaccharide from Dendrobium devonianum resists H1N1 influenza viral infection in mice by activating immunity through the TLR4/MyD88/NF-κB pathway
Refined polysaccharide from Dendrobium devonianum resists H1N1 influenza viral infection in mice by activating immunity through the TLR4/MyD88/NF-κB pathway Open
Dendrobium polysaccharide exhibits multiple biological activities, such as immune regulation, antioxidation, and antitumor. However, its resistance to viral infection by stimulating immunity is rarely reported. In this study, we explored t…
View article: The formation mechanism of authigenic chlorite in tight sandstone and its effect on tight oil adsorption during hydrocarbon filling
The formation mechanism of authigenic chlorite in tight sandstone and its effect on tight oil adsorption during hydrocarbon filling Open
Authigenic chlorite, which is frequently found in sandstone, has a controlling effect on the reservoirs in which tight oil is adsorbed during hydrocarbon filling. In this study, the content, occurrence state, timing, mechanism and influenc…
View article: Simulation Study of Allied In-Situ Injection and Production for Enhancing Shale Oil Recovery and CO2 Emission Control
Simulation Study of Allied In-Situ Injection and Production for Enhancing Shale Oil Recovery and CO2 Emission Control Open
The global greenhouse effect makes carbon dioxide (CO2) emission reduction an important task for the world, however, CO2 can be used as injected fluid to develop shale oil reservoirs. Conventional water injection and gas injection methods …
View article: Experimental Investigation of the EOR Performances of Carbonated Water Injection in Tight Sandstone Oil Reservoirs
Experimental Investigation of the EOR Performances of Carbonated Water Injection in Tight Sandstone Oil Reservoirs Open
Carbonated water injection (CWI) refers to a method that using carbonated water (CO2 dissolved in water under high pressure) as injected fluid to displace oil in the reservoir. At present there is no report about CWI study in tight oil res…
View article: Natural fracture distribution and a new method predicting effective fractures in tight oil reservoirs in Ordos Basin, NW China
Natural fracture distribution and a new method predicting effective fractures in tight oil reservoirs in Ordos Basin, NW China Open
Based on core, imaging logging, and thin section data, the distribution features of natural fractures in the tight oil reservoirs of the Ordos Basin are examined. The tight reservoirs in the Ordos Basin are rich in natural fractures, the f…
View article: Development modes of Triassic Yanchang Formation Chang 7 Member tight oil in Ordos Basin, NW China
Development modes of Triassic Yanchang Formation Chang 7 Member tight oil in Ordos Basin, NW China Open
The Triassic Yanchang Formation Chang7 Member tight oil reservoir in Ordos Basin, featuring complex pore-throat structures, low porosity, low permeability, rich micro-fractures and low pressure coefficient, is difficult to produce by advan…