Designation and Optimization of an Offset Self-Adaption Centralizer with Three Pairs of Arms

Xian Feng Gong; Yong Zhu

doi:10.4028/www.scientific.net/AMM.532.388

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 532Designation and Optimization of an Offset...

Designation and Optimization of an Offset Self-Adaption Centralizer with Three Pairs of Arms

Abstract:

Crawler robot is used in horizontal well logging.Centralizer is the support device to center robot in oil pipe while operating,which is used for reducing the friction and obtaining more accurate measurement.The designation of an offset self-adaption centralizer with three pair of arms is proposed,combining with the characteristics between the centered centralizer with three pairs of arms and the offset centralizer with four pairs of arms in this paper.In order to adapt the narrow pipe and gain better performance,the multi-objective optimization model is built,which is based on the minimum spring force and the shortest central arm.The optimization is processed by MATLAB.

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Periodical:

Applied Mechanics and Materials (Volume 532)

Pages:

388-393

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.532.388

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Online since:

February 2014

Authors:

Xian Feng Gong, Yong Zhu*

Keywords:

Centralizer, Horizonal Well, Multi-Objective Optimization (MOP)

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References

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