›› 2008, Vol. 29 ›› Issue (2): 327-332.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Mechanism of seepage induced casing damage and numerical simulation

DIAO Shun1, YANG Chun-he2, LIU Jian-jun2,3, Huang Xiao-lan2   

  1. 1. Department of Science and Technology, CNPC, Beijing 100081, China；2. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences Wuhan 430071, China；3. Institute of Poromechanics, Wuhan Polytechnic University, Wuhan 430023, China
  • Received:2007-02-06 Online:2008-02-11 Published:2013-07-10

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Abstract: Casing damage is a difficult technical problem and puzzle oil field for a long period. Large field investigation and theoretical studies show that casing damage is closely related to seepage field changes. Shear failure damage, tensile damage and extrusive damage are all induced by seepage. Based on fluid-solid coupling theory, mechanism of seepage induced casing damage were analyzed; a mathematical model to predict casing damage is established; finally and listed simulation cases are given. It is significant to guide the casing damage prevention and forecast.

Key words: casing damage, seepage, geostress, numerical simulation, fluid-solid coupling

CLC Number: 

  • U 357.3
  • 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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