Investigation of creep and transport mechanisms of CO2 fracturing within natural gas hydrates

J Tang, M Zhang, X Guo, J Geng, Y Li - Energy, 2024 - Elsevier
Natural gas hydrates (NGH) are considered as a potential energy resource in the future
because of its dramatic energy reserves. NGH formation owns the characteristic of …

Improving oil recovery from shale oil reservoirs using cyclic cold carbon dioxide injection–An experimental study

K Elwegaa, H Emadi, M Soliman, T Gamadi… - Fuel, 2019 - Elsevier
In this study, effects of injecting gas temperature and pressure on oil recovery factor (RF) of
shale oil reservoirs were investigated by implementing cyclic cold carbon dioxide (CO 2) …

Improving oil recovery from shale oil reservoirs using cyclic cold nitrogen injection–An experimental study

K Elwegaa, H Emadi - Fuel, 2019 - Elsevier
In this experimental study, effects of injecting temperature and pressure on oil recovery
factor (RF) of shale oil reservoir was investigated by implementing cyclic cold nitrogen …

Oil recovery performance and permeability reduction mechanisms in miscible CO2 water-alternative-gas (WAG) injection after continuous CO2 injection: An …

Z Wang, S Yang, H Lei, M Yang, L Li, S Yang - Journal of Petroleum …, 2017 - Elsevier
Asphaltene deposition and inorganic deposition are a serious problem because it may lead
to the clogging of the reservoir and the reducing of oil production during miscible CO 2 water …

Calculation of temperature profile in injection wells

B Moradi, M Ayoub, M Bataee… - Journal of Petroleum …, 2020 - Springer
Injection wells have long been an essential asset in enhanced oil recovery, wastewater
disposal and carbon dioxide sequestration in petroleum industries. The temperature profile …

Numerical investigation on wellbore temperature and pressure during carbon dioxide fracturing

Q Gong, ZG Xu, MQ Wang, J Qin - Applied Thermal Engineering, 2019 - Elsevier
In the present study, a transient 2D model considering the factors of CO 2 thermal properties,
viscous heating source, Joule-Thomson effect, axial and radial heat transfer is proposed to …

Molecular dynamics simulation of thickening mechanism of supercritical CO2 thickener

P Xue, J Shi, X Cao, S Yuan - Chemical Physics Letters, 2018 - Elsevier
Due to small shear viscosity of supercritical carbon dioxide, oil drilling leads to viscous
fingering. Addition of polymer as thickener in supercritical CO 2 has been used for improving …

Evaluating Liquid CO2 Injection Technique for Oil Recovery Using Core Flood Experiments

Z Hamdi, M Awang, A Zamani - SPE international heavy oil conference …, 2016 - onepetro.org
CO2 injection has been used for several decades as a successful recovery method in
enhanced oil recovery. The main impact of CO2 is on lowering minimum miscibility pressure …

Cold CO2 Injection for Balancing Interfacial Tension Decrease and Viscosity Increase

Z Hamdi, M Awang, M Bataee… - SPE Asia Pacific Oil and …, 2016 - onepetro.org
CO2 injection has been used for decades in the petroleum industry as a successful tertiary
recovery method. The main impact of CO2 on the reservoir is interfacial tension (IFT) …

Effect of low temperature CO2 injection in high temperature oil reservoirs using slimtube experiment

Z Hamdi, M Awang - Jurnal Teknologi, 2016 - journals.utm.my
A set of slimtube experiments is designed and presented to study the effect of cold
temperature CO2 on recovery factor in reservoirs with high temperature. The comparison of …