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1. Other pieces were slid under a computerized drilling rig, to have boltholes drilled according to the shop drawing.

2. Industry representatives said the number of drilling rigs has doubled in a year to more than 900 because of the higher prices.

3. The steady hum of the drilling rigs and the rough growls of heavy machinery moving on the road smear the coastal quiet.

4. Niugini Mining said a second drilling rig is being mobilized and further drilling will take place following the completion of geophysical surveys.

5. Diesel generators are very important equipments on drilling rig.

6. Demobilization and mobilization of drilling rig of overseas project is complex system engineering, involving many departments and persons and information as well as hard organization and coordination.

7. Both jackup drilling rig and bucket foundation platform belong to shallow foundation structures.

8. The Deepwater Horizon was a semi - submersible drilling rig used to drill new oil wells.

9. FDP Hydraulic Directional Drilling Rig is special equipment, mainly used for the civic construction.

9. Sentencedict.com is a online sentence dictionary, on which you can find good sentences for a large number of words.

10. It's very important for some petroleum machinery(e. g. drilling rig and pumping unit) to carry on reliability analysis and design of the system of the narrow V type belt drive.

11. Keeping the drilling rig competitive meant fast moves between locations, a demand which saw the unitization of prime movers with rig components and sectionalized rig equipment for speedy handling.

12. Based on an analysis of the composition of drilling rig, characteristics of drilling process, and human features, a reliability model of man-machine control system for drilling process is established.

13. Flying over the site where the drilling rig Deepwater Horizon sank in late April reveals dozens more oil platforms projecting out of the water on the horizon, like toys bobbing in a bathtub.

14. FDP Series Hydraulic Directional Drilling Rig is special equipment, mainly used for the civic construction.

15. Drilling rig is easy to be destroyed at low rate of penetration with long drilling circle.

16. XGR 18 type multi functional rotary drilling rig developed by basic company fill gaps in the province.

17. Construction machinery and rotary drilling rig the transfer of R & D and manufacturing projects.

18. On the far southern plains, the oil towns of Plainview and Midland and Odessa rise like off-shore drilling rigs.

19. Drill winch is one of the core components of oil - drilling rig.

20. It is significant to improve the hydraulic system for better performance of drilling rig and the higher ratio of finishing gas hole.

21. Whilst excavating the hole to tap the gas, the drilling rig collapsed leaving a massive hole.

22. There are not automatic for wellhead in the origin design of a drilling rig.

23. The contract depth is specified in a legal agreement between the operator, who pays for the well, and the drilling contractor, who owns and operates the drilling rig.

24. The paper, based on shell theory, studies the surface cementing operation scheme without drilling rig during cluster drilling in SZ 36 -1 J Area in Bohai Sea.

25. AC - SCR - DC mode is the best driving mode for a drilling rig.

26. The article expatiates upon design theory of heli - drilling rig and analyses their structural features.