An experimental investigation of shale mechanical properties through drained and undrained test mechanisms

MA Islam, P Skalle - Rock Mechanics and Rock Engineering, 2013 - Springer
Shale mechanical properties are evaluated from laboratory tests after a complex workflow
that covers tasks from sampling to testing. Due to the heterogeneous nature of shale, it is …

Analysis of capillary water imbibition in sandstone via a combination of nuclear magnetic resonance imaging and numerical DEM modeling

TF Fu, T Xu, MJ Heap, PG Meredith, T Yang… - Engineering …, 2021 - Elsevier
The physics of water imbibition into initially unsaturated sandstone is critical to the
understanding of displacement processes and fluid transport in the vadose zone. The …

A meso-mechanical approach to time-dependent deformation and fracturing of partially saturated sandstone

TF Fu, T Xu, PG Meredith, TM Mitchell, MJ Heap… - International Journal of …, 2021 - Elsevier
In the present paper, we investigate how water acts to weaken rock in two complementary
ways: mechanically through the generalized effective stress principle, and chemically …

Wetting collapse analysis on partially saturated oil chalks by a modified cam clay model based on effective stress

J Ma - Journal of Petroleum Science and Engineering, 2018 - Elsevier
This paper presents an interpretation of wetting collapse in partially saturated oil chalks
subjected to water flooding. For this purpose, two competitive mechanisms, namely …

The Effect of Different Fracturing Fluids on the Productivity of Multi-Staged Fractured Marcellus Shale Horizontal Wells

VG Matey-Korley - 2023 - search.proquest.com
While hydraulic fracturing has undeniably improved the production from oil and gas
reservoirs, this technology is not without limitations. The primary hurdles lie in the areas of …

Assessing the applicability of unsaturated effective stress models to tensile fracturing of sandstone in CO2‐water two‐phase fluids

M Liu, B Bai, X Li, S Gao, S Hu… - … Gases: Science and …, 2016 - Wiley Online Library
The description of rock effective stress in CO2‐water two‐phase fluid (CWTPF) is a key issue
in the mechanical stability analysis of CO2 geological sequestration. Related simulation …

A New Device and New Methods of Studying the Stress Sensitivity of Capillary Pressure

JP Zhou, JC Guo, ZW Tao - Chemistry and Technology of Fuels and Oils, 2018 - Springer
A new experimental device for studying the stress sensitivity of capillary pressure is
presented. The components of the device are introduced in detail and a protective device for …