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Ingegneria meccanica: Industria petrolifera
| English |
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| Noun |
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| Countable |
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| rotary hook |
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| A curved steel fastener located below the travelling block on a drilling rig. It is used to suspend the swivel and drill string in the well. It has an ear-shaped device on either side for the bails that support an elevator. |
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| Sh91 |
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| Hooks can carry loads of 100-650 tons. Small-capacity hooks are used for tubing and sucker rods. Large-capacity hooks used for pipes are attached to a strong interior spring assembly or a hydraulic snubber assembly to lessen damage when making up or breaking out pipe. |
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| CC88 |
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| Mechanics |
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| hoisting system |
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| gancio |
