Numerical simulation of CO2 storage with enhanced gas recovery in depleted tight sandstone gas reservoirs

E Zhao, Z **, G Li, K Zhang, Y Zeng - Fuel, 2024‏ - Elsevier
Injecting CO 2 into depleted gas reservoirs can sequester greenhouse gases and
simultaneously enhancing gas recovery, which has significant environmental and economic …

Optimization of fracturing technology for unconventional dense oil reservoirs based on rock brittleness index

H Wu, N Zhang, Y Lou, X Zhai, B Liu, S Li - Scientific Reports, 2024‏ - nature.com
The concept of volume fracturing has revolutionized the conventional limits of low
permeability, expanded the effective resource space, and significantly enhanced oil well …

Gas leakage physical simulation and its distributed optical fiber sensing experiments in the casing annulus of injection-production pipe column for underground gas …

X Zou, T Wang, X Hu, W Han, H Hu, C Yang - Geoenergy Science and …, 2024‏ - Elsevier
Aiming at the problems of high-pressure gas leakage monitoring of injection-production pipe
columns in deep underground gas storage under the high-temperature and high-pressure …

[HTML][HTML] Prediction and Application of Drilling-Induced Fracture Occurrences under Different Stress Regimes

H Song, H Cheng, F Yuan, L Cheng, P Yue - Processes, 2024‏ - mdpi.com
Identifying and categorizing drilling-induced fractures is pivotal for understanding the
mechanisms underlying wellbore instability, drilling fluid loss, and assessing reservoirs …

Evaluation of the casing strength reliability in deep gas well by taking into account the cement quality and strength uncertainty: method, analysis and application

R Zhang, B Zhang, L Cao, N Lu, Y Xu, L Wu… - Geoenergy Science and …, 2024‏ - Elsevier
Casing damage is one of the most challenging engineering issues in deep gas wells,
leading to significant economic losses and severe incidents such as gas leaks or high …

[HTML][HTML] Study of borehole stability of volcanic rock formation with the influence of multiple factors

M Zhang, J Wen, Z Xu, Z Xu, J Feng, X Zhao - Journal of Petroleum …, 2024‏ - Springer
Borehole instability in igneous rock formation has attracted more and more attention in
recent ten years. In order to understand the mechanism of wellbore instability in igneous …

Corrosion Behavior and Mechanical Performance of Drill Pipe Steel in a CO2/H2S-Drilling-Fluid Environment

Y Zheng, Y Zhang, B Sun, B Zhang, S Zhang, S **… - Processes, 2024‏ - mdpi.com
Objectives: This article investigates the corrosion behavior and mechanical-property
changes of S135, G105, and V150 drill pipe materials in a high-temperature-resistant …

Study on the integrity assessment of geothermal wellbore under thermal and non-uniform in-situ stresses coupling effects

Z Zhang, S **ang, H Yang, D Hou - Applied Thermal Engineering, 2024‏ - Elsevier
During the development of geothermal resources, thermal and non-uniform in-situ stresses
can lead to wellbore integrity failures in geothermal wells. To evaluate the integrity of casing …

Comparison and analysis for prediction accuracy of true triaxial rock strength criterion

S He, H Cheng, L Cheng, F Yuan… - Frontiers in Earth Science, 2024‏ - frontiersin.org
To verify the predictive accuracy of existing strength criteria on true triaxial strength
experimental data, understand the characteristics of different strength criteria, and provide a …

Research on Numerical Simulation Methods for Reservoirs of Loose Sandstone Considering the Equilibrium Time of Vertical Seepage Flow

S Wang, Q You, R Zhang, C Yu, S Wang, C Li, X Zhuo - Processes, 2024‏ - mdpi.com
Due to their high porosity and permeability characteristics, reservoirs of loose sandstone
have great development potential. Under weak dynamic conditions, the vertical migration …