71 research outputs found
State Dependent Delayed Drill-string Vibration : Theory, Experiments and New Model
L.J. Pei would like to acknowledge NNSF of China (No. 11372282) and China Scholarship Council.Peer reviewedPublisher PD
Suppression of drill-string stick–slip vibration by sliding mode control : Numerical and experimental studies
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Bifurcation scenarios in helical buckling of slender rods using new FE
The authors would like to acknowledge the use of the Maxwell High Performance Computing Cluster of the University of Aberdeen IT Service and various industrial projects sponsored by Oil & Gas Innovation Centre (OGIC), which stipulated these studies.Peer reviewedPostprin
Constrained control of coexisting attractors in impact oscillator with delay
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Numerical Study on the Elastic Deformation and the Stress Field of Brittle Rocks under Harmonic Dynamic Load
Funding: The support of National Natural Science Foundation of China (No. 51704074) and Youth Science Foundation of Heilongjiang Province (No. QC2018049) are gratefully acknowledged. The work is also supported by Talent Cultivation Foundation (No. SCXHB201703; No. ts26180119; No. td26180141) and Youth Science Foundation (No. 2019QNL-07) of Northeast Petroleum University.Peer reviewedPublisher PD
Control Method to Suppress Stick-slip in Drill-strings Featuring Actuation Delay and Constraints
Peer reviewedPublisher PD
Experimental studies of forward and backward whirls of drill-string
The authors wish to thank BG Group plc for the financial support to this research.Peer reviewedPostprin
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