›› 2006, Vol. 27 ›› Issue (S1): 344-348.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Influence mudstone interlayer on stability of oil storage in laminated salt rock

YIN Xue-ying, YANG Chun-he, LI Yin-ping   

  1. Key Laboratory of Rock and Soil Mechanics, Institute of Rock & soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
  • Received:2005-04-08 Published:2006-12-15

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Abstract: Considering the laminated geologic characteristics of salt rocks in China, the stability of ZK1075, ZK1083 and ZK1099 salt caverns in Yun-Ying area of Hubei Province is analyzed by the FLAC3D interface program of the new three-dimensional expanded Cosserat medium constitutive model. Besides dealing with the effect of the stiffness difference between mudstone and rock salt on elastic characteristics of the composite, it also considers that displacement correspondence between layers results in mudstone’s fracture firstly and then leads to the deformation and failure of composite. The results show that the mudstone interlayer in laminated salt rock in Yun-Ying area will restrict the deformation of rock salt owing to its larger stiffness and strength; and the presence of mudstone interlayer plays an active role in the stability of the oil/gas storage.

Key words: laminated salt rock, Cosserat medium, oil/gas storage, stability

CLC Number: 

  • TE 822
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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