›› 2006, Vol. 27 ›› Issue (S1): 577-580.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Technical characteristics of rocks’ acoustic properties under confining pressure

WANG Min-sheng1, 2, LI Zu-kui2   

  1. 1. College of Petroleum Engineering, China University of Petroleum, Dongying 257061, Chnia; 2. Shengli Drilling Technology Research Institute, Dongying 257017, Chnia
  • Received:2005-03-23 Published:2006-12-15

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Abstract: The acoustic velocity may reflect the overall physical property of a rock. Based on triaxiality acoustic velocity test of rocks, the relationship between surface acoustic velocity and acoustic velocity under different confining pressures, i.e. different buried depths, is researched. According to test data and the results of dual parameters’ regression analysis. the rocks’ acoustic properties increased with the confining pressure abiding by multinomial of math. The acoustic properties of different kinds of rocks have different rules with the change of confining pressure; thus, distinguishing lithology profile is one of the basic conditions to research and apply acoustic properties of rocks. Acoustic property of the same rock has larger discrepancies in different buried depths; so, the buried depth is an important factor to research acoustic properties of rocks, which can not be ignored.

Key words: confining pressure, rocks, acoustic velocity, technical characteristics

CLC Number: 

  • TU 457
  • 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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