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

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

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

6. This type of drill rig could substitute imported products.

7. This type of drill rig is also the main development trend in the field of drill rig technology and related equipment.

8. It is a light,[sentencedict .com] full hydraulic core drill rig .

9. Transocean, which provided the drill rig, could also be banned in Brazil.

10. Drill rig and its accessory tools were developed to meet the technical requirements of drilling Geo physical blast holes in soil and rock among mountainous and hilly area in China.

11. The fundamental principle hardware configuration and software design of a microcomputerbascd automatic control system for winch type impact drill rig is described.

12. Engineers feared the pipe may have been damaged after the Deepwater Horizon drill rig exploded and sank in April, killing 11 workers on the rig.

13. The fundamental principle hardware configuration and software design of a microcomputerbased automatic control system for winch type impact drill rig is described.

14. Large degree of freedom of drilling frame structure can enlarger efficiently operation scope of drill rig.

15. The paper analyses each parts of rotary mechanism of rotary drill rig.

16. Economy and reliability are the two major problems the packaging and operation of drill rig engine.

17. It makes analysis and comparison to several possible operation method of drill rig to determine its safety operation standard.

18. And I think that we are yet to see this kind of thinking show up strongly on board these drill rig operations.

19. This article introduce a kind of mechanical and electric combined drive drill rig.

20. Making use of the rig general detecting laboratory to test the deferent maximal feeding force and drawing back force of drill rig, the validity of theoretic accounting value are analyzed in the paper.

21. The present state, application and development of coal mine hydraulic drill rig are de-scribed in this paper.

22. A description is given to the survey of part of the foreign drill rig modular design and the use of the method in the enterprise.

23. This thesis introduces briefly the structures, test situations and main technical parameters of the drill rig.

24. According to the structure and operating principle of the JSL-30 drill rig, a drill parameter tester was developed especially for percussion drill.

25. Some blubber ends up in the trash, no longer prized as fuel for heat and light when a drill rig nearby makes natural gas cheap and easy.