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Open AccessCommunication
Energies 2012, 5(3), 599-604; doi:10.3390/en5030599

Using Submarine Heat Pumps for Efficient Gas Production from Seabed Hydrate Reservoirs

1
Department of Mechanical Engineering, Keio University, Yokohama 223-8522, Japan
2
Department of Mechanical Systems, Tamagawa University, Tokyo 101-8308, Japan
*
Author to whom correspondence should be addressed.
Received: 21 January 2012 / Revised: 20 February 2012 / Accepted: 24 February 2012 / Published: 2 March 2012
(This article belongs to the Special Issue Natural Gas Hydrate 2011)
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Abstract

This article reports our novel idea about the thermal stimulation of seabed hydrate reservoirs for the purpose of natural gas production. Our idea is to use submarine heat pumps, which are to be placed near the hydrate reservoir and work to recover thermal energy from the surrounding seawater and supply it into the reservoir. Although the heat pumps need an electricity supply from the sea surface level, they can provide thermal energy which is several times that of the consumed electricity in quantity. As a consequence, the use of submarine heat pumps has a distinct thermodynamic advantage over other thermal stimulation techniques already proposed in the literature.
Keywords: gas hydrate; methane hydrate; heat pump; energy; fuel gas hydrate; methane hydrate; heat pump; energy; fuel
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Mori, Y.H.; Ochiai, J.-I.; Ohmura, R. Using Submarine Heat Pumps for Efficient Gas Production from Seabed Hydrate Reservoirs. Energies 2012, 5, 599-604.

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