| 1. | Drilling rigs are powered mechanically by rotating the drill pipe from above.
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| 2. | Unlike drilling rigs, service rigs return to a particular well many times.
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| 3. | She looks like what she is : a drilling rig with wings.
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| 4. | Within three weeks more than 300 drilling rigs were in the field.
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| 5. | Either offer would create the world's second-largest operator of offshore drilling rigs.
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| 6. | Gradually the field began to sprout drilling rigs wherever stability conditions allowed.
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| 7. | However, Zapata sold the oil-drilling rig Nola I to Pemargo in 1964.
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| 8. | Art Advisory : With graphic showing attraction of fish to drilling rigs
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| 9. | In May 2012 two drilling rigs were working on repairing the leak.
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| 10. | Small mobile drilling rigs are also used to drill or bore piles.
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मोबाइल