Formation of hydrate particles in the process of gas bubble rising

Authors

  • O.R. Nurislamov South Ural State University
  • S.A. Lepikhin Surgut Institute of Oil and Gas (branch) of the Tyumen State Oil and Gas University
  • M.N. Galimzyanov Mavlyutov Institute of Mechanics of RAS https://orcid.org/0000-0001-6548-5174

DOI:

https://doi.org/10.26089/NumMet.v16r333

Keywords:

gas bubble, hydrated crust, gas hydrate, hydrate formation

Abstract

A theoretical model for the process of methane bubble migration in water under the thermobaric conditions of hydrate formation is proposed. It is shown that two modes of hydrate particle formation are possible depending on the initial depth of bubble rising. A formula relating the hydrate particle porosity on this initial depth is derived. It is taken into account that the hydration shell grows inward along the contact surface between the gas and water penetrating through the pores. The effect of the initial size and depth of bubble formation on the dynamics of the hydrate formation process is analyzed. The dynamics of the hydrate formation process is studied for the following depths of gas sources: 500, 800, 1000, and 1500 m.

Author Biographies

O.R. Nurislamov

S.A. Lepikhin

M.N. Galimzyanov

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Published

28-06-2015

How to Cite

Нурисламов О.Р., Лепихин С.А., Галимзянов М.Н. Formation of Hydrate Particles in the Process of Gas Bubble Rising // Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie). 2015. 16. 339-347. doi 10.26089/NumMet.v16r333

Issue

Section

Section 1. Numerical methods and applications