Strategies for gas production from hydrate accumulations under various geologic conditions

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In this paper we classify hydrate deposits in three classes according to their geologic and reservoir conditions, and discuss the corresponding production strategies. Simple depressurization appears promising in Class 1 hydrates, but its appeal decreases in Class 2 and Class 3 hydrates. The most promising production strategy in Class 2 hydrates involves combinations of depressurization and thermal stimulation, and is clearly enhanced by multi-well production-injection systems. The effectiveness of simple depressurization in Class 3 hydrates is limited, and thermal stimulation (alone or in combination with depressurization) through single well systems seems to be the strategy of choice in such deposits.

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8 pages

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Moridis, G. & Collett, T. April 29, 2003.

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In this paper we classify hydrate deposits in three classes according to their geologic and reservoir conditions, and discuss the corresponding production strategies. Simple depressurization appears promising in Class 1 hydrates, but its appeal decreases in Class 2 and Class 3 hydrates. The most promising production strategy in Class 2 hydrates involves combinations of depressurization and thermal stimulation, and is clearly enhanced by multi-well production-injection systems. The effectiveness of simple depressurization in Class 3 hydrates is limited, and thermal stimulation (alone or in combination with depressurization) through single well systems seems to be the strategy of choice in such deposits.

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8 pages

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OSTI as DE00812453

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  • TOUGH Symposium 2003, Berkeley, CA (US), 05/12/2003--05/14/2003

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  • Report No.: LBNL--52568
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 812453
  • Archival Resource Key: ark:/67531/metadc738121

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  • April 29, 2003

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  • Oct. 18, 2015, 6:40 p.m.

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  • April 4, 2016, 7:08 p.m.

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Moridis, G. & Collett, T. Strategies for gas production from hydrate accumulations under various geologic conditions, article, April 29, 2003; California. (digital.library.unt.edu/ark:/67531/metadc738121/: accessed November 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.