Variation in the thermal conductivity of gas-saturated sediments during hydrate formation and freezing-melting. Part 1. Method of researches

E. M. Chuvilin, B. A. Bukhanov

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The method of experimental investigation of thermal conductivity of dispersed gas-saturated rocks during hydrate accumulation at positive and negative temperatures, on freezing and thawing has been worked out and presented. Experiments have been performed on a specially developed gas hydrate installation with integrated system of measuring of the thermal conductivity of investigated sediments under gas pressure. The determination of thermal conductivity of sediments is based on the method of stationary heat treatment. This method allows one to quantify the impact of hydrate saturation and the extent of transition of pore water to hydrate on the thermal conductivity of soil sediments, and also to trace the influence of the conditions of gas hydrate formation on their thermal parameters.

Original languageEnglish
Pages (from-to)70-76
Number of pages7
JournalEarth's Cryosphere
Volume18
Issue number1
Publication statusPublished - 2014
Externally publishedYes

Keywords

  • Gas hydrate saturated sediments
  • Gas hydrates
  • Hydrate formation
  • Methane
  • Thermal conductivity

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