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http://dx.doi.org/10.12989/sem.2008.28.3.335

Design on a new oil well test shock absorber under impact load  

Wang, Yuanxun (Huazhong University of Science and Technology)
Zhang, Peng (Huazhong University of Science and Technology)
Cui, Zhijian (Huazhong University of Science and Technology)
Chen, Chuanyao (Huazhong University of Science and Technology)
Publication Information
Structural Engineering and Mechanics / v.28, no.3, 2008 , pp. 335-352 More about this Journal
Abstract
Continuous operation of test and measurement is a new operating technique in the petroleum exploitation, which combines perforation with test and measurement effectively. In order to measure the original pressure of stratum layer exactly and prevent testing instrument from being impaired or damaged, a suitable shock absorber is urgently necessary to research. Based on the attempt on the FEM analysis and experiment research, a new shock absorber is designed and discussed in this paper. 3D finite element model is established and simulated accurately by LS-DYNA, the effect and the dynamic character of the shock absorber impact by half sinusoidal pulse force under the main lobe frequency are discussed both on theoretics and experiment. It is shown that the new designed shock absorber system has good capability of shock absorption for the impact load.
Keywords
shock absorber; disturbing force; groundsill; absorption coefficient; impact strength; main lobe frequency;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By Web Of Science : 0  (Related Records In Web of Science)
Times Cited By SCOPUS : 0
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