Digital Petroleum Geomechanics

A special issue of Geosciences (ISSN 2076-3263).

Deadline for manuscript submissions: closed (30 June 2019) | Viewed by 9155

Special Issue Editors


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Guest Editor
Western Australia School of Mines (WASM), Minerals, Energy and Chemical Engineering, Curtin University, 26 Dick Perry Avenue, Kensington, WA 6151, Australia
Interests: petroleum related rock mechanics; hydraulic fracturing; sanding
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Co-Guest Editor
1. School of Earth Sciences and Engineering, Hohai University, Nanjing 211100, China
2. Department of Seismology, Centro de Investigación Científica y de Educación Superior de Ensenada, Ensenada, Mexico
Interests: seismic waves; waves in random media; acoustics of porous media; poroelasticity; poromechanics; porosity and permeability; physics of rocks

Special Issue Information

Dear Colleagues,

We are organizing a Special Issue focusing on both fundamental and application of Digital Rock Mechanics (DRM) in petroleum geo-mechanics. We are targeting original high-quality works and welcome experimental, numerical, and case studies in petroleum geomechanics, preferably with a high level of DRM involvement.

Most petroleum applications involve significant amounts of complexities due to scale-dependency of the problems, as well as tightly coupled physical phenomena. High stresses, the influence of fluid movement, temperature changes and disturbances due to chemical reactions are amongst the roots of these complexities. Interaction or superposition of these effects will initiate in micro (even nano) scale and the coalescing of these changes will contribute to overall rock behavior (deformation and failure). As a result, a better understanding of the small-scale rock behavior and in-depth visualization and modeling of such phenomenon have come to the attention of scientific society in the recent years. Computed Tomography (CT) in general and micro CT (uCT), in particular, have been instigated to unlock these complications more than ever. Pore scale rock deformation before, during and after multiphysic behaviour is observed experimentally using 3D images and/or modeled numerically where its scientific importance has been acknowledged in a considerable number of articles. However, being a relatively new field of research, there are numerous gaps in understanding (e.g., nature of the grain-grain interaction, grain contact mapping, micro scale-to-macro scale behavior, etc.).

Dr. Mohammad Sarmadivaleh
Dr. Tobias M. Müller
Guest Editors

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Keywords

  • digital rock mechanics
  • micro CT
  • grain size modelling
  • vitalization
  • grain-grain contact
  • grain shape
  • micro crack
  • hydraulic fracturing
  • sanding
  • subsidence

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Published Papers (1 paper)

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Review

20 pages, 2116 KiB  
Review
A Review of Brittleness Index Correlations for Unconventional Tight and Ultra-Tight Reservoirs
by Kim S. Mews, Mustafa M. Alhubail and Reza Gh. Barati
Geosciences 2019, 9(7), 319; https://doi.org/10.3390/geosciences9070319 - 19 Jul 2019
Cited by 65 | Viewed by 8384
Abstract
Rock brittleness is pivotal in the development of the unconventional reservoirs. However, the existence of various methods of calculating the brittleness index (BI) such as the mineral-based brittleness index (MBI), the log-based brittleness index (LBI), and the elastic-based brittleness index (EBI) lead to [...] Read more.
Rock brittleness is pivotal in the development of the unconventional reservoirs. However, the existence of various methods of calculating the brittleness index (BI) such as the mineral-based brittleness index (MBI), the log-based brittleness index (LBI), and the elastic-based brittleness index (EBI) lead to inconclusive estimations of the brittleness index. Hence, in this work, the existing correlations are applied on prolific unconventional plays in the U.S. such as the Marcellus, Bakken, Niobrara, and Chattanooga Formation to examine the various BI methods. A detailed comparison between the MBI, LBI, and EBI has also been conducted. The results show that a universal correlation cannot be derived in order to define brittleness since it is a function of lithology. Correlation parameters vary significantly from one shale play to another. Nevertheless, an overall trend shows that abundant quartz and carbonates content yield high brittleness values, while the high clay content and porosity lower the rock brittleness. Full article
(This article belongs to the Special Issue Digital Petroleum Geomechanics)
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