A review of gas injection in shale reservoirs: enhanced oil/gas recovery approaches and greenhouse gas control

F Du, B Nojabaei - Energies, 2019 - mdpi.com
Shale oil and gas resources contribute significantly to the energy production in the US
Greenhouse gas emissions come from combustion of fossil fuels from potential sources of …

CO2‐Fluid‐Rock Interactions and the Coupled Geomechanical Response during CCUS Processes in Unconventional Reservoirs

M Cai, Y Su, L Li, Y Hao, X Gao - Geofluids, 2021 - Wiley Online Library
The difficulty of deploying remaining oil from unconventional reservoirs and the increasing
CO2 emissions has prompted researchers to delve into carbon emissions through Carbon …

Identification of oil produced from shale and tight reservoirs in the Permian Lucaogou Shale sequence, Jimsar Sag, Junggar Basin, NW China

L Hou, X Luo, Z Zhao, L Zhang - ACS omega, 2021 - ACS Publications
The Permian Lucaogou Formation of the Jimsar Sag in the Junggar Basin, NW China, is one
of the largest areas of oil exploration and exploitation in the lacustrine shale sequence in …

Minimum miscibility pressure determination in confined nanopores considering pore size distribution of tight/shale formations

H Sun, H Li - Fuel, 2021 - Elsevier
This work develops a modified minimum miscibility pressure (MMP) calculation algorithm
that couples the effects of pore size distribution, capillarity, and confinement. Also, a volume …

Effect of vertical heterogeneity and nano-confinement on the recovery performance of oil-rich shale reservoir

F Du, J Huang, Z Chai, J Killough - Fuel, 2020 - Elsevier
Due to the effect of compaction, stress-dependent properties such as permeability, porosity,
and pore size vary in the vertical direction of shale reservoir. The heterogeneity of physical …

Studying Phase Behavior of Oil/Natural-Gas Systems for Designing Gas-Injection Operations: A Montney Case Study

S Tran, S Eghbali, H Dehghanpour - SPE Reservoir Evaluation & …, 2020 - onepetro.org
Advances in horizontal drilling and multistage hydraulic fracturing have unlocked tight-oil
resources, such as the Montney Formation in the Western Canadian Sedimentary Basin …

A One-Dimensional Convolutional Neural Network for Fast Predictions of the Oil-CO2 Minimum Miscibility Pressure in Unconventional Reservoirs

H Sun, Z Chen - SPE Journal, 2024 - onepetro.org
Miscible carbon dioxide (CO 2) injection has proven to be an effective method of recovering
oil from unconventional reservoirs. An accurate and efficient procedure to calculate the oil …

Scalable Combinatorial Algorithms for Optimal Transport Based Similarity Metrics

K Zhang - 2024 - vtechworks.lib.vt.edu
Optimal Transport (OT), also known as Wasserstein distance, is a valuable metric for
comparing probability distributions. Owing to its appealing statistical properties, researchers …

Multiphase Equilibria and Miscibility of Reservoir Fluids in Tight/Shale Reservoirs

H Sun - 2021 - era.library.ualberta.ca
The phase behavior of reservoir fluids in tight/shale reservoirs can be dramatically altered
from the bulk phase behavior due to the strong capillarity and confinement effects introduced …

Investigation of Nanopore Confinement Effects on Convective and Diffusive Multicomponent Multiphase Fluid Transport in Shale using In-House Simulation Models

F Du - 2020 - vtechworks.lib.vt.edu
Extremely small pore size, low porosity, and ultra-low permeability are among the
characteristics of shale rocks. In tight shale reservoirs, the nano-confinement effects that …