Recent Advances and Applications of Digital Rock Physics
A special issue of Geosciences (ISSN 2076-3263). This special issue belongs to the section "Geophysics".
Deadline for manuscript submissions: closed (30 December 2020) | Viewed by 3783
Special Issue Editor
Interests: digital rock physics; seismic modeling; numerical methods; discrete elements method; computatioanl fluid dynamics; computatioanl chemistry; fluid–solid interaction
Special Issue Information
Dear Colleagues,
Digital rock physics studies are becoming a common practice in enhanced oil recovery, seismic exploration, geothermal energy exploration, CO2 sequestration and others. Numerical simulation of various physical and chemical processes in rock sample models allows for the upscaling of rock properties, such as electric resistivity, hydraulic permeability, either absolute or relative, elastic moduli, etc. Moreover, DRP allows for the testing of different scenarios of reservoir flooding, varying fluid properties (use of surfactants, nanoparticles and others) and changing the salinity of the fluid. CO2 sequestration or the injection of non-condensable gases into geothermal fields causes rock matrix dissolution or mineral precipitation, changing all macroscopic properties of rocks, thus requiring detailed preliminary numerical study before applying this to real aquifers.
Digital rock physics deals with all known physical processes, including coupled non-linear problems at several spatial and temporal scales. Thus, a wide range of mathematical models and numerical methods are used. At the scale of micrometers, continuum-based models can be applied (Stokes, Navier–Stokes, Maxwell equations) with the use of grid-based numerical methods such as finite volumes, finite differences, finite elements, or discontinuous Galerkin. At the nanoscale, particle-based models and numerical methods dominate, for example, the molecular dynamics used to estimate contact angles or to directly simulate the fluid flow in nanopores. Note that the rapid development of Graphic Processor Units made it possible to perform DRP simulations using a single or a small number of GPUs, thus allowing for the use of DRP methods in any lab.
In this Special Issue, we invite researchers from different areas of digital rock physics to share their experience of image processing, mathematical modeling of physical and chemical processes at the pore scale, and numerical methods capable of dealing with strongly inhomogeneous models with the complex geometry of the pore space and rock matrix.
Dr. Vadim Lisitsa
Guest Editor
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Keywords
- • digital rock physics
- • pore-scale modeling
- • fluid flows in micro- and nano-channels
- • electric currents in rocks
- • petro-elastic simulations
- • rock dissolution and mineral precipitation
- • CO2 sequestration
- • non-condensable gases in geothermal fields
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