›› 2012, Vol. 33 ›› Issue (2): 564-568.

• Geotechnical Engineering • Previous Articles     Next Articles

Study of evaluation standard of applicabilities for gas storage in salt rock

HAN Lin-lin, LIAO Feng-qin, JIANG Xiao-quan, CHEN Jian-wen   

  1. Faculty of Engineering, China University of Geosciences, Wuhan 430074, China
  • Received:2010-06-16 Online:2012-02-10 Published:2012-02-14

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Abstract: At the present, nobody proposes a comprehensive evaluation standard of applicabilities for gas storage in rock salt (ESAGSRS). ESAGSRS is came up based on studying a large number of underground gas storage accident cases. The standard is divided into two aspects, stability and sealability. Factors affecting the stability are natures of top and bottom, natures of salt beds and interlayers, natures of interface between salt beds and interlayers, the maximum and minimum pressures and gas recovery velocities, cavity shape and safe pillar width five aspects. Factors affecting the sealability including airtight cementing technology, natures of casing, natures of valve for casing, cavern pressure, natures of roof, natures of interlayer, penetration of rock salt conditions, stiffness ratio of salt rock and interlayer, geological conditions. Based on ESAGSRS, the total score of the applicability of gas storage can be gotten, and it can appraise the applicability of salt rock. The standard (ESAGSRS) considers miscellaneous factors, and it has a valuable reference and academic supports to practical projects.

Key words: rock mechanics, gas storage in salt rock, applicabilities evaluation, ESAGSRS

CLC Number: 

  • TU 458
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