Leng Tian
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View article: A new dynamic model of supply boundary at low pressure in tight gas reservoir
A new dynamic model of supply boundary at low pressure in tight gas reservoir Open
View article: How does the ultrasonic assist CO2 immiscible flooding?
How does the ultrasonic assist CO2 immiscible flooding? Open
CO2 flooding is considered one of the most important methods for reducing CO2 emissions and increasing oil production from reservoirs. However, the challenges of low recovery rates and poor economic benefits in CO
View article: A Semi-Analytical Model of Three-Phase Flow for Co2-Huff-N-Puff with Stress-Dependent Permeability in Fractured Shale Reservoirs
A Semi-Analytical Model of Three-Phase Flow for Co2-Huff-N-Puff with Stress-Dependent Permeability in Fractured Shale Reservoirs Open
View article: An improved experimental and numerical study on effects of dynamic water film on gas-water flow under high stress in porous media
An improved experimental and numerical study on effects of dynamic water film on gas-water flow under high stress in porous media Open
View article: Performance and Evaluation on Stress-Dependent Permeability and Flow Characteristics for Co2-Eor in Fractured Shale
Performance and Evaluation on Stress-Dependent Permeability and Flow Characteristics for Co2-Eor in Fractured Shale Open
View article: Efficient Inversion of Complex Fracture Network Through Adaptative Particle Filter Based on Quadratic Programming in Shale
Efficient Inversion of Complex Fracture Network Through Adaptative Particle Filter Based on Quadratic Programming in Shale Open
View article: Macro-to-Field Scale Modeling of Reservoir Difference on Gas Flow Characteristics and Recovery Efficiency in Methane Hydrocarbon Reservoir
Macro-to-Field Scale Modeling of Reservoir Difference on Gas Flow Characteristics and Recovery Efficiency in Methane Hydrocarbon Reservoir Open
View article: Macro-to-Field Scale Modeling of Reservoir Difference on Gas Flow Characteristics and Recovery Efficiency in Methane Hydrocarbon Reservoir
Macro-to-Field Scale Modeling of Reservoir Difference on Gas Flow Characteristics and Recovery Efficiency in Methane Hydrocarbon Reservoir Open
View article: Evaluation of micro-dispersion on oil recovery during low-salinity water-alternating-CO2 processes in sandstone cores: An integrated experimental approach
Evaluation of micro-dispersion on oil recovery during low-salinity water-alternating-CO2 processes in sandstone cores: An integrated experimental approach Open
View article: A New Dynamic Model of Supply Boundary at Low Pressure in Tight Gas Reservoir
A New Dynamic Model of Supply Boundary at Low Pressure in Tight Gas Reservoir Open
It is a clean, low-carbon energy source for tight gas that has gained popularity in the energy sector for its ability to significantly cut greenhouse gas emissions. On the other hand, low formation pressure, low gas well production, and hi…
View article: Study on Compatibility Evaluation of Multilayer Co-Production to Enhance Recovery of Water Flooding in Oil Reservoir
Study on Compatibility Evaluation of Multilayer Co-Production to Enhance Recovery of Water Flooding in Oil Reservoir Open
Increasing oil production is crucial for multilayer co-production. When there are significant differences in the permeability of each layer, an interlayer contradiction arises that can impact the recovery efficiency. After a number of test…
View article: A New Method to Characterize the Thickness of Boundary Layer in Tight Gas Reservoir
A New Method to Characterize the Thickness of Boundary Layer in Tight Gas Reservoir Open
View article: Efficient Inversion of Complex Fracture Network Through Adaptative Particle Filter Based on Quadratic Programming in Shale
Efficient Inversion of Complex Fracture Network Through Adaptative Particle Filter Based on Quadratic Programming in Shale Open
View article: Investigation on Performance Characteristics and Thermal Analysis of Ucg in Porous Media Based on Non-Steady Flow
Investigation on Performance Characteristics and Thermal Analysis of Ucg in Porous Media Based on Non-Steady Flow Open
View article: Performance Evaluation of Reservoir Diversity on Gas Recovery Efficiency and Geological Carbon Storage
Performance Evaluation of Reservoir Diversity on Gas Recovery Efficiency and Geological Carbon Storage Open
View article: Investigate on the Thickness of Boundary Layer In Tight Gas Reservoir By a Synthetic Experimental Method
Investigate on the Thickness of Boundary Layer In Tight Gas Reservoir By a Synthetic Experimental Method Open
View article: Water-CO2 wettability on sandstone surface with asphaltene adsorption: Molecular dynamics simulation
Water-CO2 wettability on sandstone surface with asphaltene adsorption: Molecular dynamics simulation Open
The reactions between CO2 slugs and crude oil induce a substantial amount of asphaltene precipitation and adsorption on the rock surface during the CO2 alternative water flooding process. When the subsequent water slug passes through the c…
View article: Gas adsorptions of geological carbon storage with enhanced gas recovery
Gas adsorptions of geological carbon storage with enhanced gas recovery Open
Understanding gas adsorptions in porous media is of critical importance to numerous academic research and industrial applications. Here, adsorptions of methane and carbon dioxide, which are primary compositions of natural gas and carbon ca…
View article: An enlightening sacrifice: discovering an anonymous building on the campus of Nanjing University in China
An enlightening sacrifice: discovering an anonymous building on the campus of Nanjing University in China Open
From the late 19th century to the early 20th century, a number of missionary universities made outstanding contributions to higher education in China and left valuable heritage on their campuses. Among them, the University of Nanking (UNK)…
View article: In-depth analysis of ultrasonic-induced geological pore re-structures
In-depth analysis of ultrasonic-induced geological pore re-structures Open
Understanding and manipulating geological pore structures is of paramount importance for geo-energy productions and underground energy storages in porous media. Nevertheless, research emphases for long time have been focused on understandi…
View article: Prediction of Minimum Miscibility Pressure for CO2 Flooding Based on Microscopic Pore-Throat Structure
Prediction of Minimum Miscibility Pressure for CO2 Flooding Based on Microscopic Pore-Throat Structure Open
CO 2 flooding can effectively enhance the recovery of low-permeability reservoirs and realize CO 2 geological storage. During the displacement process, the minimum miscible pressure (MMP) of CO 2 and oil is an important parameter that affe…
View article: Integrated Hierarchy–Correlation Model for Evaluating Water-Driven Oil Reservoirs
Integrated Hierarchy–Correlation Model for Evaluating Water-Driven Oil Reservoirs Open
With the increasing demands on energy and environmental domains, not only high oil production but also its accurate quantification has become one of the most important topics in academia and industry. This paper initially proposes a compre…
View article: Support Vector Regression Based on the Particle Swarm Optimization Algorithm for Tight Oil Recovery Prediction
Support Vector Regression Based on the Particle Swarm Optimization Algorithm for Tight Oil Recovery Prediction Open
Tight oil fields are affected by factors such as geology, technology, and development, so it is difficult to directly obtain an accurate recovery rate. The accurate prediction of the recovery rate is very important for measuring reservoir …
View article: How Is Ultrasonic-Assisted CO2 EOR to Unlock Oils from Unconventional Reservoirs?
How Is Ultrasonic-Assisted CO2 EOR to Unlock Oils from Unconventional Reservoirs? Open
CO2 enhanced oil recovery (EOR) has proven its capability to explore unconventional tight oil reservoirs and the potential for geological carbon storage. Meanwhile, the extremely low permeability pores increase the difficulty of CO2 EOR an…
View article: How Ultrasonic-Assisted CO<sub>2</sub> EOR to Unlock Oils From Unconventional Reservoirs?
How Ultrasonic-Assisted CO<sub>2</sub> EOR to Unlock Oils From Unconventional Reservoirs? Open
CO2 enhanced oil recovery (EOR) has been proven its capability to explore the unconventional tight oil reservoirs and potential for geological carbon storage. Meanwhile, the extremely low permeability pores exaggerate the difficulty CO2 EO…
View article: Productivity Prediction Model for Stimulated Reservoir Volume Fracturing in Tight Glutenite Reservoir Considering Fluid-Solid Coupling
Productivity Prediction Model for Stimulated Reservoir Volume Fracturing in Tight Glutenite Reservoir Considering Fluid-Solid Coupling Open
At present, the main development mode of “horizontal well + volume fracturing” is adopted in a tight glutenite reservoir. Due to the existence of conglomerate, the seepage characteristics are more complex, and the production capacity after…
View article: Surrogate‐Based Joint Estimation of Subsurface Geological and Relative Permeability Parameters for High‐Dimensional Inverse Problem by Use of Smooth Local Parameterization
Surrogate‐Based Joint Estimation of Subsurface Geological and Relative Permeability Parameters for High‐Dimensional Inverse Problem by Use of Smooth Local Parameterization Open
This paper introduces an efficient surrogate model with the aim of accelerating joint estimation of subsurface geological properties and relative permeability parameters for high‐dimensional inversion problems. We fully replace the high‐fi…
View article: A Semi-Analytical Pressure-Transient Model to Detect Inter-well Interference of Multi-Well-Pad-Production Scheme in Shale Gas Reservoirs
A Semi-Analytical Pressure-Transient Model to Detect Inter-well Interference of Multi-Well-Pad-Production Scheme in Shale Gas Reservoirs Open
Recently, Multi-Well-Pad-Production (MWPP) scheme has been in the center of attention as a promising technology to improve Shale Gas (SG) recovery. However, Inter-Well Pressure Interference (IWPI) induced by MWPP scheme severely distorts f…
View article: Pressure transient analysis of multiple fractured horizontal wells in naturally fractured unconventional reservoirs based on fractal theory and fractional calculus
Pressure transient analysis of multiple fractured horizontal wells in naturally fractured unconventional reservoirs based on fractal theory and fractional calculus Open
Currently, most models for multiple fractured horizontal wells (MFHWs) in naturally fractured unconventional reservoirs (NFURs) are based on classical Euclidean models which implicitly assume a uniform distribution of natural fractures and…