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Journal ArticleDOI

Theory and measurement of hydrate dissociation

J. W. Ullerich, +2 more
- 01 May 1987 - 
- Vol. 33, Iss: 5, pp 747-752
TLDR
In this article, experimental data on the rate of dissociation of methane hydrates were obtained from hydrate mass loss measurements using an electrobalance, and a mathematical model describing the dissociation process was also presented.
Abstract
Experimental data on the rate of dissociation of methane hydrates are presented. The data were obtained from hydrate mass loss measurements using an electrobalance. A resistance heater with a known heat flux was used in the dissociation experiments. A mathematical model describing the dissociation process is also presented. The model, based upon first principles, assumes that the water formed during dissociation is blown away by the methane gas produced so that the dissociation process may be regarded as a moving-boundary ablation problem. Agreement between the model and the data is within 10%.

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Journal ArticleDOI

Physical properties of hydrate-bearing sediments

TL;DR: A review of the current understanding of phenomena involved in gas hydrate formation and the physical properties of hydrate-bearing sediments can be found in this paper, where the magnitudes and interdependencies of these properties are critically important for predicting and quantifying macroscale responses of hydrates to changes in mechanical, thermal, or chemical boundary conditions.
Journal ArticleDOI

Determination of the activation energy and intrinsic rate constant of methane gas hydrate decomposition

TL;DR: Experimental data on the kinetics of methane gas hydrate decomposition are reported in this paper, where the activation energy for decomposition is 81 kJ/mol and the intrinsic rate constant is 3.6 × 104 mol/m2 Pa.
Journal ArticleDOI

Review of gas hydrate dissociation kinetic models for energy recovery

TL;DR: A comprehensive review of gas hydrate dissociation kinetic models and hydrate reservoir simulators is provided in this article, with model formulation, assumptions, governing equations, solution method and limitations highlighted.
Journal ArticleDOI

Formation and decomposition of gas hydrates

TL;DR: In this paper, the formation and decomposition of hydrate are discussed at a conceptual level and key issues for research in this area are identified and some possible directions for future work are suggested.
Journal ArticleDOI

Effects of dissociation on the shear strength and deformation behavior of methane hydrate-bearing sediments

TL;DR: A series of tests were conducted in order to investigate the shear strength and deformation behavior of methane hydrate-bearing sediments during dissociation using the thermal recovery method or depressurization method as mentioned in this paper.
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