Relevance of underground natural gas storage to geologic sequestration of carbon dioxide

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The practice of underground natural gas storage (UNGS), which started in the USA in 1916, provides useful insight into the geologic sequestration of carbon dioxide--the dominant anthropogenic greenhouse gas released into the atmosphere. In many ways, UNGS is directly relevant to geologic CO{sub 2} storage because, like CO{sub 2}, natural gas (essentially methane) is less dense than water. Consequently, it will tend to rise to the top of any subsurface storage structure located below the groundwater table. By the end of 2001 in the USA, about 142 million metric tons of natural gas were stored underground in depleted oil and ... continued below

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4 pages

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Lippmann, Marcelo J. & Benson, Sally M. July 1, 2002.

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Description

The practice of underground natural gas storage (UNGS), which started in the USA in 1916, provides useful insight into the geologic sequestration of carbon dioxide--the dominant anthropogenic greenhouse gas released into the atmosphere. In many ways, UNGS is directly relevant to geologic CO{sub 2} storage because, like CO{sub 2}, natural gas (essentially methane) is less dense than water. Consequently, it will tend to rise to the top of any subsurface storage structure located below the groundwater table. By the end of 2001 in the USA, about 142 million metric tons of natural gas were stored underground in depleted oil and gas reservoirs and brine aquifers. Based on their performance, UNGS projects have shown that there is a safe and effective way of storing large volumes of gases in the subsurface. In the small number of cases where failures did occur (i.e., leakage of the stored gas into neighboring permeable layers), they were mainly related to improper well design, construction, maintenance, and/or incorrect project operation. In spite of differences in the chemical and physical properties of the gases, the risk-assessment, risk-management, and risk-mitigation issues relevant to UNGS projects are also pertinent to geologic CO{sub 2} sequestration.

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4 pages

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OSTI as DE00813565

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  • Sixth International Conference on Greenhouse Gas Control Technologies (GHGT-6), Kyoto (JP), 10/01/2002--10/04/2002

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  • Report No.: LBNL--51294
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 813565
  • Archival Resource Key: ark:/67531/metadc739913

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • July 1, 2002

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  • Oct. 18, 2015, 6:40 p.m.

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  • April 4, 2016, 6 p.m.

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Lippmann, Marcelo J. & Benson, Sally M. Relevance of underground natural gas storage to geologic sequestration of carbon dioxide, article, July 1, 2002; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc739913/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.