›› 2006, Vol. 27 ›› Issue (S1): 511-514.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Experimental research on distributing rule of water content and strength parameter of shale in deep strata

ZHANG Le-wen1, 2, LI Shu-cai1, SUN Qi-zhong3   

  1. 1. Research Center of Geotechnical & Stractural Engineering, Shandong University, Jinan 250061, China; 2. Drilling Technology Research Institute ofShengli Petroleum Administrative Bureau, Dongying 257017, China; 3. Shengli Petroleum Administrative Bureau, Dongying 257000, China
  • Received:2006-04-15 Published:2006-12-15

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Abstract: Wellbore stability problem in shale is a very complex and worldwide problem in drilling engineering. Core chose in the test is shale in deep strata from Shawo section in Zhungaer Basin ,which collapses seriously. Based on experiment of measuring strength parameters such as cohesion, angle of internal friction, elastic modulus, Poisson’s ratio of shale in different water contents; and regression analysis of experiment data wad made; the relation between water contents of shale and its strength parameter is obtained. And the distributing rule of water content in shale is deduced in virtue of seepage mechanics theory. The research result provides the basis of experiment and theory for calculating hydrating stress in wellbore adjoining rock and evaluating wellbore stability.

Key words: shale in deep strata, water content, strength parameter, distributing rule shale in deep strata, water content, strength parameter, distributing rule

CLC Number: 

  • TD 353
  • 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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