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• Koh, C
• Sum, A
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• Koh, C
• Sum, A
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• Koh, C
• Sum, A

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Energies 2010, 3(12), 1991-2000; doi:10.3390/en3121991

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Gas Hydrate Stability and Sampling: The Future as Related to the Phase Diagram

E. Dendy Sloan* , Carolyn A. Koh and Amadeu K. Sum

Center for Hydrate Research, Chemical Engineering Department, Colorado School of Mines, 1500 Illinois Street, Golden, CO 80401, USA

* Author to whom correspondence should be addressed.

Received: 1 November 2010; in revised form: 13 December 2010 / Accepted: 16 December 2010 / Published: 21 December 2010

(This article belongs to the Special Issue Natural Gas Hydrate)

Download PDF Full-Text [529 KB, uploaded 21 December 2010 11:05 CET]

Abstract: The phase diagram for methane + water is explained, in relation to hydrate applications, such as in flow assurance and in nature. For natural applications, the phase diagram determines the regions for hydrate formation for two- and three-phase conditions. Impacts are presented for sample preparation and recovery. We discuss an international study for “Round Robin” hydrate sample preparation protocols and testing.

Keywords: methane; clathrate; hydrates; phase diagram; applications; flow assurance; nature

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