The Principle of Wellface Mechanical Stability and Its Influence Factors

doi:10.3863/j.issn.1000-2634.1995.04.008

西南石油大学学报(自然科学版) ›› 1995, Vol. 17 ›› Issue (4): 51-57.DOI: 10.3863/j.issn.1000-2634.1995.04.008

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The Principle of Wellface Mechanical Stability and Its Influence Factors

Liu Xiang-jun

Dept. of Postgraduates

Received:1995-06-09 Revised:1900-01-01 Online:1995-11-20 Published:1995-11-20

Abstract

Abstract: Basing on the analyses of the linear-elastic wellface mechanical stability in a vertical well, this paper makes a comprehensive and profound analysis of the principle of wellface mechanical stability and its influence factors. The results show that the persent wellface mechanical stability models and strength criteria are rather limitative. Therefore it is imperative to seek for more effective solutions.

Key words: Hole stabilization, Hole damage, Strength, Rock mechanics, decsion

CLC Number:

TE 21

Liu Xiang-jun. The Principle of Wellface Mechanical Stability and Its Influence Factors[J]. 西南石油大学学报(自然科学版), 1995, 17(4): 51-57.

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The Principle of Wellface Mechanical Stability and Its Influence Factors

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