Improvement on geometric deflection rate formula of double-bent screw tool

DOI

10.2991/mmebc-16.2016.143How to use a DOI?

Keywords

Double-bent screw tool, Geometric deflection rate, Formula improvement,Descending well feasibility, Sensitivity analysis.

Abstract

To accurately predict and design deflection rate of screw tools is one of the key technologies to steering drilling. The artizaoxiel cle based on the principle of minimum potential energy, considered the influence of clearance between the side-wall and the stabilizer on deflection rate, gives a definition of additional deflection rate produced by influence of clearance. The original geometric deflection rate formula is improved. According to the actual data, using the new improved formula, we draw a conclusion that error between geometric and actual deflection rate is greatly reduced. Based on the new improved formula, this article analyses descending well feasibility of designed double-bent screw tool. This article analyses the sensitivity of bend angle/L1/ /L3 and at the same time gives the corresponding conclusions and recommendations, which will have certain theory guidance to fieldwork.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Jianbin Wang
AU  - Hingshan Xiong
AU  - Yan Zhang
AU  - Hongqing Lu
PY  - 2016/06
DA  - 2016/06
TI  - Improvement on geometric deflection rate formula of double-bent screw tool
BT  - Proceedings of the 2016 6th International Conference on Machinery, Materials, Environment, Biotechnology and Computer
PB  - Atlantis Press
SP  - 675
EP  - 679
SN  - 2352-5401
UR  - https://doi.org/10.2991/mmebc-16.2016.143
DO  - 10.2991/mmebc-16.2016.143
ID  - Wang2016/06
ER  -