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| previous | master bushing - 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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| A piece of equipment which serves two purposes: - it provides engagement of the kelly drive bushing with the rotary table; and - it provides a tapered seating for the slips which hold drillpipe in the rotary table. |
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| Ode85 |
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| The kelly drive bushing engages with the master bushing by either (a) drive pins fitted on the bottom of the kelly bushing which fit into holes bored into the master bushing or (b) a square section on the bottom of the kelly bushing which fits into a square recess in the master bushing. |
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| Ode85 |
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| Petroleum Engineering |
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| rotating system |
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| cuneo principale |
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| 3 |
