Simulation of Movement of Drill Rods at Large Deformations

Lelya Khajiyeva; Almatbek Kydyrbekuly; Almaz Sergaliyev; Aliya Umbetkulova

doi:10.4028/www.scientific.net/AMR.702.253

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 702Simulation of Movement of Drill Rods at Large...

Simulation of Movement of Drill Rods at Large Deformations

Abstract:

The purpose of the paper is modeling of nonlinear vibrations and stability of movement of boring columns at finite deformations. Movement of boring columns for shallow drilling (up to 500 m) applied in oil-gas extractive industry is considered. Nonlinear models of movement of acompressed-torsioned drill rod within the nonlinear theory of finite deformations of V.V. Novozhilov are constructed. A method for its analysis and criterion of dynamic stability are offered. The numerical analysis of its elastic dislocations and instability zones of the basic resonance is carried out, which confirm the efficiency of the offered nonlinear dynamic model of rod elements and techniques for their calculation.

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Periodical:

Advanced Materials Research (Volume 702)

Pages:

253-258

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.702.253

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Online since:

May 2013

Authors:

Lelya Khajiyeva, Almatbek Kydyrbekuly, Almaz Sergaliyev, Aliya Umbetkulova

Keywords:

Amplitudes, Drill Hole, Drill Rod, Dynamic, Dynamical Stability, Finite Deformation, Nonlinear Model, Resonance

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References

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