Results 261 to 270 of about 248,377 (289)
Some of the next articles are maybe not open access.

Torsional Stick-Slip Vibrations and Multistability in Drill-Strings

Applied Mathematical Modelling, 2019
Wei Lin, Joseph Páez Chávez, Yang Liu
exaly  

A Nonlinear Dynamic Model for Characterizing Downhole Motions of Drill-String in a Deviated Well

Journal of Natural Gas Science and Engineering, 2017
Yongsheng Liu, Deli Gao
exaly  

Dynamics of a Distributed Drill String System: Characteristic Parameters and Stability Maps

Journal of Sound and Vibration, 2018
Ulf Jakob F Aarsnes, Nathan Van Wouw
exaly  

Drilling system with drill string valves

2012
DOLMAN LEE F   +4 more
openaire   +1 more source

Axial and Torsional Self-Excited Vibrations of a Distributed Drill-String

Journal of Sound and Vibration, 2019
Ulf Jakob F Aarsnes, Nathan Van Wouw
exaly  

Drill string circulation apparatus

Sealing Technology, 2020
openaire   +1 more source

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