Development of a heat-penetration criterion to characterize steam chamber growth and propagation dynamics during a steam-assisted gravity drainage (SAGD) …

S Yang, D Yang - Applied Thermal Engineering, 2024 - Elsevier
Steam chamber growth and propagation dynamics dictates the success of a steam-assisted
gravity drainage (SAGD) process, which is an enhanced oil recovery (EOR) method for …

Experimental investigations on elastoplastic deformation and permeability evolution of terrestrial Karamay oil sands at high temperatures and pressures

Y Gao, M Chen, H Pang - Journal of Petroleum Science and Engineering, 2020 - Elsevier
Coupled thermo-hydro-mechanical analyses in heavy oil reservoirs are essential for
engineers to evaluate and optimize the field operations in terms of safety, economy, and …

Coupled geomechanical-thermal simulation for oil sand reservoirs with shale barriers under hot water injection in vertical well-assisted SAGD wells

Y Gao, Z Ren, M Chen, H Jiang, S Ding - Journal of Petroleum Science and …, 2022 - Elsevier
Mudstone stringers in an oil sand reservoir can significantly affect the propagation of the
steam chamber in the process of steam-assisted gravity drainage (SAGD). The micro …

Numerical modeling on thermoelastoplastic responses of Karamay oil sand reservoir upon steam circulation considering phase change of bitumen

Y Gao, M Chen - Journal of Petroleum Science and Engineering, 2020 - Elsevier
Steam assisted gravity drainage technology has been widely applied to bitumen recovery in
Karamay, northwest China. Steam circulation prior to production is designed to establish the …

Influence of unconnected pores on effective stress in porous geomaterials: Theory and case study in unconventional oil and gas reservoirs

Y Gao, M Chen, H Jiang - Journal of Natural Gas Science and Engineering, 2021 - Elsevier
Unconventional oil and gas reservoirs are mostly characterized by unconnected pores and
abnormal pore pressures. These conventional effective stress theories, such as Biot's theory …

Modeling of reservoir temperature upon preheating in SAGD wells considering phase change of bitumen

Y Gao, M Chen, B Lin, Y Jin - International Journal of Heat and Mass …, 2019 - Elsevier
Steam circulation prior to production is usually employed to establish inter-well thermal
communication and create an expected initial steam chamber in the process of bitumen …

Evaluation of thermal stimulation in hydrate reservoirs under hot-water cyclic injection

Y Gao, M Chen - Arabian Journal of Geosciences, 2020 - Springer
The techniques of natural gas production from hydrate reservoir are significantly different
from those used for conventional oil and gas resources, because the virgin hydrate will …

Evaluation of shear dilation capability/potential and permeability changes in Karamay oil sands under water injection

Y Gao, H Pang, Y Jin, M Chen - Geofluids, 2019 - Wiley Online Library
Water injection can effectively improve the reservoir porosity and permeability by shear
dilation in the vicinity of wellbores. In this paper, shear dilation and permeability …

Influence of temperature-viscosity behaviors of Karamay oil sand bitumen on the geomechanics in the SAGD process

Y Gao, M Chen - Journal of Petroleum Exploration and Production, 2021 - Springer
Viscosity-temperature behavior is important for the thermal recovery of bitumen: firstly, it is a
criterion for evaluating the evolution of mobility with temperature, which affects oil …

Prediction of Heavy Oil Production Based on Geomechanical Analysis in Entire Lifecycle of SAGD

D Li, S Zhu, Y Li, S Shen, Z Chen, Z Ren… - Energy Science & …, 2025 - Wiley Online Library
Steam‐assisted gravity drainage (SAGD) technology is an essential means of efficient
development of heavy oil, super heavy oil, oil sands, and other unconventional resources in …