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title

Strategic Storages of Gas in Salt Layers and Creep and Overburden Effects on Volume Loss

Credit to Download: 1 | Page Numbers 14 | Abstract Views: 48
Year: 2019
COI code: NTOGP01_012
Paper Language: English

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Authors Strategic Storages of Gas in Salt Layers and Creep and Overburden Effects on Volume Loss

  Alireza Soltani - Department of Civil Engineering, K.N. Toosi University of Technology, Tehran, Iran.
  Hassan Mirzabozorg - Department of Civil Engineering, K.N. Toosi University of Technology, Tehran, Iran.

Abstract:

The demands for fossil fuels such as natural gas, oil and other hydrocarbon products have been raised in recent decades. Supplying these demands during peak period highlights the importance of storing energy resources during the production. Concerning this issue, storing gas in salt caverns is a suitable method. To describe the mechanical behavior of a typical rock salt due to creep phenomenon, the Multi-mechanism Deformation (MD) creep constitutive model is implemented into the Ansys finite element package using a Fortran routine. To investigate the creep effect on the structural response and volume shrinkage of a salt cavern, an implicit creep analysis was conducted under cyclic loads. The results reveal that applying the overburden pressure leads to a more volume shrinkage of the cavern, while placing overburden layer itself over the salt layer instead of the overburden pressure results in the lower volume shrinkage. Finally, using the contact element between the overburden layer and the salt layer, the volume shrinkage will decrease even further.

Keywords:

salt cavern, MD creep model, rock salt, implicit creep, volume loss, cyclic loading.

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COI code: NTOGP01_012

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Soltani, Alireza & Hassan Mirzabozorg, 2019, Strategic Storages of Gas in Salt Layers and Creep and Overburden Effects on Volume Loss, International Conference on New Technologies in Oil, Gas and Petrochemical Industries, تهران- دانشگاه تهران, انجمن مهندسي گاز ايران, https://www.civilica.com/Paper-NTOGP01-NTOGP01_012.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Soltani, Alireza & Hassan Mirzabozorg, 2019)
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Type: state university
Paper No.: 9408
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