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Journal of Applied Sciences
  Year: 2004 | Volume: 4 | Issue: 1 | Page No.: 106-109
DOI: 10.3923/jas.2004.106.109
 
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Drilling Mechanics: Consequences and Relevance of Drill string Vibration on Wellbore Stability

A.A. Ibrahim, T.A. Musa and A.M. Fadoul

Abstract:
Wellbore instability problems have been attributed mainly to rock-fluid interaction, especially when drilling shaley formations with water-base fluids. However, recent studies showed that other events during drilling may contribute much more decisively in causing the problems than the rock-fluid interaction and swelling. The Study presents a conceptual model to analyze wellbore stability based on energy. The Drill string vibration concern as an important problem and is fairly complex since it is generally a combination of longitudinal, torsional and transverse modes, which are all present and coupled. Because of the complexity and the importance of Drill string vibrations in the drilling operation, a full simulation covering all the relevant phenomena is not practical and a common approach has been used to study the vibration mechanisms individually. The consideration was subjected to the effect of the longitudinal and torsional vibration
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How to cite this article:

A.A. Ibrahim, T.A. Musa and A.M. Fadoul, 2004. Drilling Mechanics: Consequences and Relevance of Drill string Vibration on Wellbore Stability. Journal of Applied Sciences, 4: 106-109.

DOI: 10.3923/jas.2004.106.109

URL: https://scialert.net/abstract/?doi=jas.2004.106.109

COMMENTS
10 February, 2015
Ateeg Abderazig:
I have good desire to obtain this paper
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