Induced seismicity during geoenergy development—A hydromechanical perspective

S Ge, MO Saar - Journal of Geophysical Research: Solid Earth, 2022 - Wiley Online Library
The basic triggering mechanism underlying induced seismicity traces back to the mid‐1960s
that relied on the process of pore‐fluid pressure diffusion. The last decade has experienced …

Stoichiometric and non-stoichiometric methods for modeling gasification and other reaction equilibria: A review of their foundations and their interconvertibility

WR Smith, H Tahir, AMM Leal - Renewable and Sustainable Energy …, 2024 - Elsevier
The need for chemical reaction equilibrium calculations arises frequently in biomass
gasification modeling and in many other fields. The two main formulations are the …

Electrolytic fluid speciation by Gibbs energy minimization and implications for subduction zone mass transfer

JAD Connolly, ME Galvez - Earth and Planetary Science Letters, 2018 - Elsevier
The number of solute species required to describe the thermodynamic behavior of
electrolytic fluids is a hindrance to the incorporation of aqueous geochemistry in petrological …

Neural network based process coupling and parameter upscaling in reactive transport simulations

NI Prasianakis, R Haller, M Mahrous… - … et Cosmochimica Acta, 2020 - Elsevier
The multiscale modelling of geochemical processes requires efficient couplings between
scales and physics. The use of machine learning techniques and neural networks has the …

Implementing an equation of state without derivatives: teqp

IH Bell, UK Deiters, AMM Leal - Industrial & Engineering …, 2022 - ACS Publications
This work uses advanced numerical techniques (complex differentiation and automatic
differentiation) to efficiently and accurately compute all the required thermodynamic …

A new operator-splitting finite element scheme for reactive transport modeling in saturated porous media

R Lu, T Nagel, J Poonoosamy, D Naumov… - Computers & …, 2022 - Elsevier
The operator splitting approach has been widely accepted since it was introduced as a
means to solve reactive transport problems. The conventional operator-splitting finite …

[HTML][HTML] Experimental study and kinetic modeling of high temperature and pressure CO2 mineralization

M Berndsen, S Erol, T Akın, S Akın, I Nardini… - International Journal of …, 2024 - Elsevier
The potential for in-situ CO 2 sequestration was analyzed experimentally for one basaltic
hyaloclastite sample from the Nesjavellir geothermal reservoir in Iceland and three …

[HTML][HTML] Projection-based embedded discrete fracture model (pEDFM) for flow and heat transfer in real-field geological formations with hexahedral corner-point grids

M HosseiniMehr, JP Tomala, C Vuik… - Advances in Water …, 2022 - Elsevier
We present the projection-based embedded discrete fracture model (pEDFM) for hexahedral
corner-point grid (CPG) geometries, for the simulation of hydrothermal processes in …

Accelerating reactive transport modeling: on-demand machine learning algorithm for chemical equilibrium calculations

AMM Leal, S Kyas, DA Kulik, MO Saar - Transport in Porous Media, 2020 - Springer
During reactive transport modeling, the computing cost associated with chemical equilibrium
calculations can be 10 to 10,000 times higher than that of fluid flow, heat transfer, and …

The precipitation mechanisms of scheelite from CO2-rich hydrothermal fluids: Insight from thermodynamic modeling

H Liu, XC Liu, DH Zhang, ZJ Zhou, FB Han - Applied Geochemistry, 2024 - Elsevier
Scheelite and wolframite are two main tungsten-bearing ore minerals in tungsten deposits.
Compared to wolframite formed mostly by NaCl–H 2 O fluids, scheelite in many but not all …