PDF(1834 KB)
Propagation characteristics test of acoustic in drill string consisted by size differences drill pipe
LIU Yongwang1 GAUN Zhichuan1 ZHAO Guoshan2 DU Binbin1 LI Zhiyuan1 CAI Mengzhe1 DOU Zhenchuan2 WANG Qing1
Journal of Vibration and Shock ›› 2015, Vol. 34 ›› Issue (7) : 93-97.
PDF(1834 KB)
PDF(1834 KB)
Propagation characteristics test of acoustic in drill string consisted by size differences drill pipe
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