Comments on Rochester's comments
- 作者Yoshio Kubo
- 卷第24卷
- 期第3期
- 印刷ISSN0923-2958
- 电子ISSN1572-9478
- 文件大小30.19KB
- 发表时间1981-07
- DOI10.1007/bf01229555
- 页码235-235
A Shell Drilling Damper with Elevated FlexibilityA. S. Velichkovich; S. V. Velichkovich · 2002
Elastic spindle for a bottom-hole motorA. S. Velichkovich; S. V. Velichkovich · 2000
System for Protecting Well Rod Pumping Plants from Vibratory, Inertial, and Impact LoadsA. S. Velichkovich; S. V. Velichkovich; V. M. Shopa · 2002
The elastic element in a damper for drilling under anomalous thermal conditionsA. S. Velichkovich; S. V. Velichkovich · 1998
Double-action vibration damper for controlling the drilling string dynamic modeA. S. Velichkovich; S. V. Velichkovich · 1997
Bottom-hole vibration damper with a sheathed variable-rigidity elastic elementA. S. Velichkovich; S. V. Velichkovich · 1994
Improving the reliability, durability, and efficiency of drill-rig shock absorbers with shell-type elastic elementsA. S. Velichkovich; S. V. Velichkovich · 2000
Drill string vibration damper for wells in corrosive mediaS. V. Velichkovich · 1991