Numerical Simulation of Hydrate Formation in the LArge-Scale Reservoir Simulator (LARS)

Zhen Li, Erik Spangenberg, Judith M. Schicks and Thomas Kempka
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Zhen Li: GFZ German Research Centre for Geosciences, 14473 Potsdam, Germany
Erik Spangenberg: GFZ German Research Centre for Geosciences, 14473 Potsdam, Germany
Judith M. Schicks: GFZ German Research Centre for Geosciences, 14473 Potsdam, Germany
Thomas Kempka: GFZ German Research Centre for Geosciences, 14473 Potsdam, Germany

Energies, 2022, vol. 15, issue 6, 1-27

Abstract: The LArge-scale Reservoir Simulator (LARS) has been previously developed to study hydrate dissociation in hydrate-bearing systems under in-situ conditions. In the present study, a numerical framework of equations of state describing hydrate formation at equilibrium conditions has been elaborated and integrated with a numerical flow and transport simulator to investigate a multi-stage hydrate formation experiment undertaken in LARS. A verification of the implemented modeling framework has been carried out by benchmarking it against another established numerical code. Three-dimensional (3D) model calibration has been performed based on laboratory data available from temperature sensors, fluid sampling, and electrical resistivity tomography. The simulation results demonstrate that temperature profiles, spatial hydrate distribution, and bulk hydrate saturation are consistent with the observations. Furthermore, our numerical framework can be applied to calibrate geophysical measurements, optimize post-processing workflows for monitoring data, improve the design of hydrate formation experiments, and investigate the temporal evolution of sub-permafrost methane hydrate reservoirs.

Keywords: methane hydrate; temperature sensor; electrical resistivity tomography; hydrate formation; numerical simulation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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