INFLUENCE OF SHOCK ABSORBER INSTALLATION POSITION ON THE DRILL STRING LONGITUDINAL VIBRATION
ZHANG Xiao-dong LI Jun LIANG Hong-jun .
西南石油大学学报(自然科学版) . 2007, (3): 146 -149 .  DOI: 10.3863/j.issn.1000-2634.2007.03.040