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Numerical Study of the Process of Gas Extraction from a Gas Hydrate Reservoir with Inhomogeneous Permeability
AbstractMathematical modeling of the process of gas extraction from a hydrate-containing reservoir, which is a cylindrical region of a porous medium,...
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On a Problem of Invariant Equilibrium of a Phase Ice-Hydrate Transformation
AbstractThis study presents a thermodynamically equilibrium filtration model for the gas-hydrate phase-equilibrium (invariant) and hydrate-thaw zones...
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Dynamics of Sonic Wave under Reflection and Transmission at the Interface of Water and Sand Saturated with Water or Gas Hydrate
AbstractThe problem of reflection and refraction of acoustic wave at oblique fall on the interface of water and sand saturated with water or gas...
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Study of Filtration Processes in a Gas-Hydrate Reservoir Taking into Account Salinity and Solid-Phase Inclusions
AbstractThe method of splitting by physical processes is consistently applied to the problems of underground hydromechanics related to gas hydrates,...
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Mathematical Model of Replacing Methane in Hydrate with Carbon Dioxide When It Is Injected into a Reservoir Saturated with a Mixture of Hydrate, Methane, and Water
AbstractA mathematical model is proposed for the replacement of methane with carbon dioxide in a hydrate contained in a reservoir in thermodynamic...
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Numerical Research of the Gas Hydrate Decomposition in a Porous Reservoir with Impermeable Boundaries
AbstractIn a one-dimensional approximation, the decomposition of gas hydrate in a porous reservoir saturated in the initial state with methane and...
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Mathematical Modeling of Gas Hydrate Dissociation in Porous Medium Taking into Account Ice and Salinity
AbstractThis work is devoted to the mathematical modeling of the dissociation of gas hydrates in a porous medium. Numerical methods are developed for...
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Mathematical Model and Method for Solving the Problem of Non-Isothermal Gas and Liquid Filtration Flow During Dissociation of Gas Hydrates
AbstractThe development of a mathematical model of the filtration flow during dissociation of gas hydrates for the two-dimensional case is researched...
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Methodology for Calculating the Parameters of the CO\({}_{\mathbf{2}}\)–CH\({}_{\mathbf{4}}\) Replacement Process in Methane Hydrate During the Gas Hydrate Deposits Development
AbstractA method for solving numerically the mathematical model system of equations describing the process of replacing methane with carbon dioxide...
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Methodology for the Numerical Study of the Methane Hydrate Formation During Gas Injection into a Porous Medium
AbstractMathematical model is proposed that describes the process of pum** gas into a porous medium initially filled with methane and water....
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Numerical Simulation of Hydrate Formation on Injection of Cold Gas in a Snow Massif
AbstractThe problem on hydrate formation in a snow massif initially saturated with gas with the injection of the same gas is solved. The constructed...
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Completely Conservative Difference Schemes for Fluid Dynamics in a Piezoconductive Medium with Gas Hydrate Inclusions
AbstractThe dynamics equations for a two-component fluid in a porous medium with gas hydrate inclusions are approximated on a structurally irregular...
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Application Software for the Simulation of Fluid Dynamics and Transphase Processes in Collectors with Gas-Hydrate Depositions
AbstractThe article describes a model, algorithm, and structure of an applied software complex (code) intended for the simulation of flows in a...
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Example Applications of Stochastic Programming
In this chapter, we preview a variety of example applications of stochastic programming (SP). These applications include flexible manufacturing...
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Application of Microwave Oven Plasma Reactors for the Formation of Carbon-Based Nanomaterials
This paper reviews the literature on the formation of carbon-based nanomaterials using converted domestic microwave oven plasma reactors. The...
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The Use of Splitting with Respect to Physical Processes for Modeling the Dissociation of Gas Hydrates
The work is devoted to modeling the phase transformations of gas hydrate inclusions in porous media. Studying these problems makes it possible to...
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Multiphase flow model developed for simulating gas hydrate transport in horizontal pipe
The hydrate formation or dissociation in deep subsea flow lines is a challenging problem in oil and gas transport systems. The study of multiphase...
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Real Data Applications of Seismic Full Waveform Inversion
Full waveform inversion (FWI) is a powerful imaging technique which exploits the richness of seismic waveforms. We further developed FWI to obtain...
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Analytical method for evaluating stress field in casing-cement-formation system of oil/gas wells
In this paper, we present an analytical method for evaluating the stress field within a casing-cement-formation system of oil/gas wells under...
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Primary cementing of oil and gas wells in turbulent and mixed regimes
We present a detailed derivation of a practical two-dimensional model for turbulent and mixed regimes in narrow annular displacement flows, such as...
