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| previous | variable-bore rams - collezione «Ingegneria meccanica: Industria petrolifera» - Maria Cristina Basti | next |
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Ingegneria meccanica: Industria petrolifera
| English |
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| Noun phrase |
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| Countable |
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| Two large blocks of metal with inserts cut into them. They are designed to close around a range of different size drillpipes and drill collars to close a well. Variable bore rams are used in a blowout preventer stack. |
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| Sh91 |
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| Variable bore rams are ideal for use on tapered drill strings to eliminate the need to retrieve the stack to change ram sizes. |
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| CC88 |
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| Mechanics |
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| ram preventer |
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| packing unit |
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| ganasce sagomate variabili |
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| 3 |
