NDLI: Impact analysis on contact force between the rod and oil-tubing by rod string longitudinal vibration

Content Provider	IEEE Xplore Digital Library
Author	Su-ling Wang Qing-bin Li Zheng-wei Tian Li Fan
Copyright Year	2011
Description	Author affiliation: Mechanical Science and Engineering College, Northeast, Petroleum University, Daqing, Heilongjiang, China, 163318 (Su-ling Wang; Qing-bin Li) \|\| NO2. Daqing Oil Field Limited Liability Company, Daqing, Heilongjiang, China, 163454 (Zheng-wei Tian; Li Fan)
Abstract	The wear of rod string and tubing in pump well is a common phenomenon, and the main cause is the longitudinal vibration of sucker rod. Considering the structural characteristics and load characteristics, the contact state of rod and tube is studied and calculated using the finite element method, based on vibration theory and nonlinear contact theory. The results show that rod and tube contact friction mainly occurs in the down stroke, and the contact force is larger in the bottom, smaller in the top, and contact position is distributed mainly over the coupling, and has the contact between rod body and tubing within the scope of 150m. On this basis, various swabbing parameters which is about the degree of influence of the contact state is respectively studied, and the different swabbing parameters cause the different vibration load of rod string, and vibration load is larger, and dynamic instability is more serious, and contact force of rod tube is increased. On the basis of the above study, the proposal of value for preventing the rod and tube partial wear is given with some reference value.
Starting Page	3206
Ending Page	3209
File Size	1370819
Page Count	4
File Format	PDF
ISBN	9781612840871
e-ISBN	9781612840888
DOI	10.1109/EMEIT.2011.6023767
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-12
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vibrations Damping Couplings Finite element method Vibration Force Electron tubes Finite element methods Contactforce Rod string Swabbing parameter Immune system
Content Type	Text
Resource Type	Article

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