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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 108
PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING
Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping
Paper 229

Numerical Analysis of a Hybrid-Type Rotary Steerable System

S.E. Oh and J.-W. Hong

Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea

Full Bibliographic Reference for this paper
S.E. Oh, J.-W. Hong, "Numerical Analysis of a Hybrid-Type Rotary Steerable System", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 229, 2015. doi:10.4203/ccp.108.229
Keywords: hybrid-type rotary steerable system, finite element, contact condition, universal joint, directional drilling, shale gas, ANSYS.

Summary
As the interest in the unconventional energy has increased, horizontal drilling technology has been developed dramatically. Directional drilling is a technology for changing a propagation direction during drilling. There is a technology for horizontal drilling, called rotary steerable system (RSS). The representative examples are the push-the-bit and the point-the-bit. In the research, described in this paper, a new hybrid-type RSS is developed, and the finite element analysis of the RSS is performed. A prototype of the hybrid-type RSS is designed, and the prototype is tested numerically in the condition that is similar to the actual environment. Because the production cost of the hybrid-type RSS is great, and the field test takes significant amounts of time and cost, the verification is conducted using the finite element method for the purpose of estimation of the performance and the stability of the RSS.

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