Dynamic Analysis of a New Rotary Steerable Drilling Tool

Li Na Wang; Wen Tie Niu; Sheng Li Fu; Hong Tao Li

doi:10.4028/www.scientific.net/AMM.197.356

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 197Dynamic Analysis of a New Rotary Steerable...

Dynamic Analysis of a New Rotary Steerable Drilling Tool

Abstract:

This paper presents a novel Rotary Steerable System which used a universal joint to avoid the alternating press in the drilling process. The mechanics model is established on the basis of simplifying structure and supporting of rotation axis in directive RSS. Dynamic model of the offset mandrel is derived by means of Hamilton principle, which could be used to control system design. Location of offset force acting on the offset mandrel is optimized and vibration equation of universal joint is deduced by means of transfer matrix method, then the results of natural frequency are compared with the calculated results of the finite element to verify the kinetic model. Both dynamic model and simulation analysis are expected to provide useful good guidance for the design of control system, detail design, structure optimization and the dynamic vibration of the RSS.

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Periodical:

Applied Mechanics and Materials (Volume 197)

Pages:

356-361

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.197.356

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Online since:

September 2012

Authors:

Li Na Wang, Wen Tie Niu, Sheng Li Fu, Hong Tao Li

Keywords:

Modal Analysis, Offset Mandrel, Transfer Matrix Method (TMM), Universal Joint

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References

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