Journal ArticleDOI
Pore-scale analysis of coal cleat network evolution through liquid nitrogen treatment: A Micro-Computed Tomography investigation
Hamed Akhondzadeh,Alireza Keshavarz,Ahmed Al-Yaseri,Muhammad Ali,Faisal Ur Rahman Awan,Xin Wang,Yongfei Yang,Stefan Iglauer,Maxim Lebedev +8 more
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TLDR
In this article, a 3D X-ray micro-computed tomography (μ-CT) image of bituminous coal at pore scale was used to investigate the effect of liquid nitrogen N2 fracturing on coal.About:
This article is published in International Journal of Coal Geology.The article was published on 2020-02-15. It has received 90 citations till now. The article focuses on the topics: Permeability (earth sciences) & Liquid nitrogen.read more
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Waterless fracturing technologies for unconventional reservoirs-opportunities for liquid nitrogen
Lei Wang,Bowen Yao,Yu-Shu Wu,Timothy J. Kneafsey,Jennifer Miskimins,Minsu Cha,Xiaolong Yin,Naif B. Alqahtani,Taylor Patterson +8 more
TL;DR: In this paper, the capacity and applicability of cryogenic fracturing using liquid nitrogen are demonstrated and examined, and the efficacy of liquid nitrogen in enhancing fracture initiation and propagation in concrete samples, and shale and sandstone reservoir rocks.
Journal ArticleDOI
Hydrogen wettability of quartz substrates exposed to organic acids; Implications for hydrogen geo-storage in sandstone reservoirs
Muhammad Ali,Muhammad Ali,Nilesh Kumar Jha,Ahmed Al-Yaseri,Yihuai Zhang,Stefan Iglauer,Mohammad Sarmadivaleh +6 more
TL;DR: In this paper, the authors determined the wettability of sandstone rock representative substrate through an extensive set of experiments in the presence of hydrogen and showed that pure quartz was inherently strongly water-wet (where θa is 40.8° and θr is 35.1°).
Journal ArticleDOI
Influence of pressure, temperature and organic surface concentration on hydrogen wettability of caprock; implications for hydrogen geo-storage
Muhammad Ali,Muhammad Ali,Nurudeen Yekeen,Nilanjan Pal,Alireza Keshavarz,Stefan Iglauer,Hussein Hoteit +6 more
TL;DR: In this article, the authors measured advancing and receding contact angles of mica substrates at various representative thermo-physical conditions (pressures 0.1-25 MPa, temperatures 308-343 K, and stearic acid concentrations of 10−9 - 10−2 mol/L).
Journal ArticleDOI
Influence of cryogenic liquid nitrogen on petro-physical characteristics of Mancos shale: An experimental investigation
Khalil Rehman Memon,Khalil Rehman Memon,Aftab Ahmed Mahesar,Aftab Ahmed Mahesar,Muhammad Ali,Abdul Haque Tunio,Udit Surya Mohanty,Hamed Akhondzadeh,Faisal Ur Rahman Awan,Faisal Ur Rahman Awan,Stefan Iglauer,Alireza Keshavarz +11 more
TL;DR: The Mancos shale core sample investigated in the present research has been extracted from the late Cretaceous (upper cretaceous) geologic formation of USA as discussed by the authors, which is usually obtained by horizont...
Journal ArticleDOI
Hydrogen wettability of carbonate formations: Implications for hydrogen geo-storage.
M H Hosseini,Jalal Fahimpour,Muhammad Fahmi Bin Mohamed Ali.,Alireza Keshavarz,Stefan Iglauer +4 more
TL;DR: In this paper , the authors measured the hydrogen wettability of calcite-rich formations and concluded that the optimum conditions for de-risking H2 storage projects in carbonates are low pressures, high temperatures, low salinity, and low organic surface concentration.
References
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TL;DR: In this article, the Navier-Stokes equation is obtained from the kinetic BGK equation at the second-order approximation with a properly chosen equilibrium distribution, with a relaxation parameter that influences the stability of the new scheme.
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Pore-scale imaging and modelling
Martin J. Blunt,Branko Bijeljic,Hu Dong,Oussama Gharbi,Stefan Iglauer,Peyman Mostaghimi,Adriana Paluszny,Christopher H. Pentland +7 more
TL;DR: Pore-scale imaging and modelling is becoming a routine service in the oil and gas industry as discussed by the authors, and has potential applications in contaminant transport and carbon dioxide storage, which has been shown to transform our understanding of multiphase flow processes.
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Modelling permeability for coal reservoirs: A review of analytical models and testing data
Zhejun Pan,Luke D. Connell +1 more
TL;DR: A review of coal permeability and the approaches to modelling its behavior can be found in this paper, where the authors identify some potential areas for future work, as well as some potential directions for future research.