Reserves estimation for coalbed methane reservoirs: A review

A Altowilib, A AlSaihati, H Alhamood, S Alafnan… - Sustainability, 2020 - mdpi.com
A continuous growth in the global economy and population requires a sustainable energy
supply. Maximizing recovery factor out of the naturally occurring hydrocarbons resources …

Depleted shale gas formations as naturally-occurring storage compartments for hydrogen: A molecular-level assessment

A Raza, G Glatz, S Alafnan, M Mahmoud, R Gholami - Fuel, 2023 - Elsevier
The interaction of hydrogen with porous media is of great interest when assessing the
potential of subsurface hydrogen storage. Shale gas formations resemble naturally …

H2, CO2, and CH4 Adsorption Potential of Kerogen as a Function of Pressure, Temperature, and Maturity

A Raza, M Mahmoud, S Alafnan, M Arif… - International Journal of …, 2022 - mdpi.com
We performed molecular dynamics simulation to elucidate the adsorption behavior of
hydrogen (H2), carbon dioxide (CO2), and methane (CH4) on four sub-models of type II …

Data-driven modeling to predict adsorption of hydrogen on shale kerogen: Implication for underground hydrogen storage

S Kalam, M Arif, A Raza, N Lashari… - International Journal of …, 2023 - Elsevier
The interaction of hydrogen in shale gas formations holds significant interest for long-term
subsurface hydrogen storage. Accurately and rapidly predicting hydrogen adsorption in …

Effect of kerogen thermal maturity on methane adsorption capacity: A molecular modeling approach

S Alafnan, T Solling, M Mahmoud - Molecules, 2020 - mdpi.com
The presence of kerogen in source rocks gives rise to a plethora of potential gas storage
mechanisms. Proper estimation of the gas reserve requires knowledge of the quantities of …

Stratigraphic Distributions of Volatile Compounds in Samples of the Cretaceous Mowry Shale, Wind River and Bighorn Basins, Determined by Vacuum Extraction and …

CM Smith, MP Smith - … Technology Conference, 26–28 July 2021, 2021 - library.seg.org
Rock volatiles stratigraphy (RVS) has been pioneered and developed over the last ten years
to provide actionable information to oil and gas operators based on detailed geochemical …

Enhanced recovery from organic-rich shales through carbon dioxide injection: Molecular-level investigation

S Alafnan, Y Falola, O Al Mansour, K AlSamadony… - Energy & …, 2020 - ACS Publications
Petroleum engineers are always in a race to maximize the recovery factor out of naturally
trapped hydrocarbon resources. Unconventional resources such as organic-rich shales …

Petrophysics of kerogens based on realistic structures

S Alafnan - ACS omega, 2021 - ACS Publications
Combining hydraulic fracturing with lateral drilling has allowed for economical hydrocarbon
production from unconventional formations. Nevertheless, beyond hydraulic fracturing, our …

Utilization of supercritical carbon dioxide for mechanical degradation of organic matters contained in shales

S Alafnan - Fuel, 2022 - Elsevier
Supercritical carbon dioxide has been recently adopted to induce the initiation and
propagation of hydraulic fractures. A rock matrix initially under reservoir conditions is …

Multicomponent gas adsorption behavior of kerogen: A molecular investigation

G Glatz, S Alafnan, A Raza, M Mahmoud - Energy & Fuels, 2022 - ACS Publications
The gas adsorption capacity of kerogen is typically determined experimentally by isothermal
adsorption experiments. Mathematical models, known as adsorption isotherms, are utilized …