Conventional methods for wettability determination of shales: A comprehensive review of challenges, lessons learned, and way forward

H Sharifigaliuk, SM Mahmood, R Rezaee… - Marine and Petroleum …, 2021 - Elsevier
The wettability is a critical property that governs the in situ fluid distribution, fractional flow,
and hydrocarbon trapping in the porous media. This topic is of immense interest to the …

Two-phase transport characteristic of shale gas and water through hydrophilic and hydrophobic nanopores

HY Xu, H Yu, JC Fan, YB Zhu, FC Wang, HA Wu - Energy & fuels, 2020 - ACS Publications
Previous attempts to characterize shale gas transport in nanopores are not fully successful
due to the fact that the presence of water within shale reservoirs is generally overlooked. In …

Shale pore connectivity and influencing factors based on spontaneous imbibition combined with a nuclear magnetic resonance experiment

X Wang, M Wang, Y Li, J Zhang, M Li, Z Li… - Marine and Petroleum …, 2021 - Elsevier
Shale pore connectivity is of great significance for the enrichment and development of shale
oil; however, quantitative evaluations are difficult owing to the tightness, heterogeneity, and …

Experimental quantification of the effect of thermal maturity of kerogen on its wettability

A Jagadisan, Z Heidari - SPE Reservoir Evaluation & Engineering, 2019 - onepetro.org
Kerogen is often considered to be fully hydrocarbon–wet in reservoir characterization.
However, wettability of kerogen is not well–understood and quantified. Thermal maturation …

Experimental and molecular investigation of water adsorption controls in marine and lacustrine shale reservoirs

CF Ukaomah, M Sun, Z Pan, M Ostadhassan, B Liu… - Journal of …, 2023 - Elsevier
The restriction of hydrocarbon migration within shale reservoirs by pre-adsorbed water
necessitates an investigation into water adsorption control mechanisms within shales. In this …

Breakthrough pressure of oil displacement by water through the ultra-narrow kerogen pore throat from the Young–Laplace equation and molecular dynamic …

Y Zhao, W Li, S Zhan, Z Jin - Physical Chemistry Chemical Physics, 2022 - pubs.rsc.org
As one common unconventional reservoir, shale plays a pivotal role to compensate the
depletion of conventional oil resources. There are numerous nanoscale pores and ultra …

Complexities driving wettability evaluation of shales toward unconventional approaches: a comprehensive review

H Sharifigaliuk, SM Mahmood, W Al-Bazzaz… - Energy & …, 2021 - ACS Publications
Wettability is a challenging property of oil and gas shale reservoirs, which are geologically
and geochemically intricate formations. Furthermore, the mineral composition, organic …

XPS direct analysis on shale rocks: Correlation with kerogen type and maturity

JA Donadelli, A Canneva, G Erra, A Calvo - Fuel, 2019 - Elsevier
A method to study kerogen type and maturity of organic matter in source rocks using XPS
was developed. Samples from three Argentinian shale rocks containing different kerogen …

Use of outcrop as substitute for subsurface shale: Current understanding of similarities, discrepancies, and associated challenges

H Sharifigaliuk, SM Mahmood, M Ahmad… - Energy & …, 2021 - ACS Publications
Full coring in shale reservoirs is challenging, time consuming, and risky due to fragility.
Therefore, shale outcrop analogs are often used as an alternative to enhance the …

Impacts of competitive water adsorption of kerogen and clay minerals on wettability of organic-rich mudrocks

A Jagadisan, Z Heidari - SPE Reservoir Evaluation & Engineering, 2020 - onepetro.org
Quantifying wettability of organic‐rich mudrocks is important for reliable formation
evaluation, optimizing production, predicting water/hydrocarbon production, and selection of …