The Analysis of Horizontal Extension Capability in Horizontal Wells

Wei Kai Liu; Ming Xing Song; Zi Yi Xu; Xue Hong Zhang

doi:10.4028/www.scientific.net/AMR.1010-1012.1745

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1010-1012The Analysis of Horizontal Extension Capability in...

The Analysis of Horizontal Extension Capability in Horizontal Wells

Abstract:

It is critical to understand whether the available drilling assembly could meet the requirements of drilling design during the design and drilling of horizontal wells. This paper pointed out several limitations on horizontal extension capability of horizontal wells and provided judging criteria of the limit of horizontal extension based upon the characteristics of horizontal wells, and set up the gap element model analyzing torque and dragged of whole drill strings in horizontal wells. According to the force analysis of drill strings in bores given the foundation for regularities in the distribution of torque and drag force along the axis, on the basis of those above mentioned models and theories, a software was made to calculate the torque and drag force of a well, which compared with the field data, the average discrepancies of theoretical values are below 20% that could meet the needs in field works.

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Periodical:

Advanced Materials Research (Volumes 1010-1012)

Pages:

1745-1749

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1010-1012.1745

Citation:

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Online since:

August 2014

Authors:

Wei Kai Liu, Ming Xing Song, Zi Yi Xu, Xue Hong Zhang

Keywords:

BHA, Drag, Extension Limit, Gap Element, Horizontal Well, Torque

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References

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