Using numerical modeling to evaluate the elastic-plastic deformations of oil wellbore


Abstract in English

We have provided in this paper an attempt to study the deformation of oil wellbore using modeling because of its capability to analyze the different hypotheses which give us a vision of what is happening or could happen . We have built a model of the phenomenon being studied are expressed in a horizontal section of the oil well on the geological layer , after loading forces and stresses, we analyzed the results ( deformations ) for the sandstone ( elastic rock ) and clay (plastic rock ), where it is shown- by making a hypothesis fit with abnormalities in the state of the stresses in the oil fields - that the anomalies in the state of stresses of principles geological stresses plays an important role in the deformation of oil wellbore.

References used

BEN-MANSOUR .R, HABIB. M.A , QAIYUM. A, May 2008- Modeling of fluid flow in a tube with a moving indentation. King Fahd University of Petroleum and Minerals (KFUPM), Saudi Arabia
FARHAT .M.S,1985- Drilling Problems and their Remedy. 613p
Fjaer E. et al, 2008- Petroleum Related Rock Mechanics, 2nd Ed. 515p

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