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Energies 2014, 7(4), 2148-2176;

Sensitivity Analysis of Parameters Governing the Recovery of Methane from Natural Gas Hydrate Reservoirs

Shell Canada, P.O. Box 100, STN M, Calgary, AB T2E 2H5, Canada
Earth Science and Resource Engineering, Commonwealth Scientific and Industrial Research Organisation (CSIRO), 26 Dick Perry Avenue, Kensington WA 6151, Australia
Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Telegrafenberg, Potsdam 14473, Germany
Department of Chemical & Petroleum Engineering, University of Calgary, 2500 University Drive N.W., Calgary, AB T2N 1N4, Canada
Author to whom correspondence should be addressed.
Received: 27 November 2013 / Revised: 3 March 2014 / Accepted: 13 March 2014 / Published: 1 April 2014
(This article belongs to the Special Issue Natural Gas Hydrate 2013)
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Naturally occurring gas hydrates are regarded as an important future source of energy and considerable efforts are currently being invested to develop methods for an economically viable recovery of this resource. The recovery of natural gas from gas hydrate deposits has been studied by a number of researchers. Depressurization of the reservoir is seen as a favorable method because of its relatively low energy requirements. While lowering the pressure in the production well seems to be a straight forward approach to destabilize methane hydrates, the intrinsic kinetics of CH4-hydrate decomposition and fluid flow lead to complex processes of mass and heat transfer within the deposit. In order to develop a better understanding of the processes and conditions governing the production of methane from methane hydrates it is necessary to study the sensitivity of gas production to the effects of factors such as pressure, temperature, thermal conductivity, permeability, porosity on methane recovery from naturally occurring gas hydrates. A simplified model is the base for an ensemble of reservoir simulations to study which parameters govern productivity and how these factors might interact. View Full-Text
Keywords: natural methane hydrates; gas production; parameter study natural methane hydrates; gas production; parameter study
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Giraldo, C.; Klump, J.; Clarke, M.; Schicks, J.M. Sensitivity Analysis of Parameters Governing the Recovery of Methane from Natural Gas Hydrate Reservoirs. Energies 2014, 7, 2148-2176.

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