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| previous | drive 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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| kelly drive bushing |
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| A piece of equipment which permits vertical movement of the kelly as the hole is deepened, at the same time rotating the drill stem. It may fit in a square opening in the rotary table, or it might be driven by four pins that fit openings in the table. |
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| Sh91 |
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| The kelly and its drive bushing are lifted from the rathole and connected to the drillpipe joint in the mousehole. |
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| Ode85 |
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| Petroleum Engineering |
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| bushing di trascinamento |
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| 3 |
