The bonding technique was applied in maintenance of hydraulic workover rig and drilling pumps too.
还介绍了在液压修井机和钻井泵维修过程的应用情况。
2
By using Shengli No 3 offshore platform as an example, the importance and procedure of maintenance of the hydraulic systems of the top drive drilling rig are introduced.
以胜利三号平台为例介绍了顶驱钻机的维护系统及其重要性。
3
The sales, maintenance and service of rotary drilling rig drill rod;