Ingegneria meccanica: Industria petrolifera
English |
swivel |
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Part of speech |
Noun
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Grammatical label |
Countable
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Definition |
A device hanging from the lifting hook by its bail which is designed for both the maximum drill string load and for the maximum rotational speed. It consists of a heavy steel casting with a ball in it. The mud line attaches to it through the gooseneck.
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Definition source |
Sh91
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Context |
Swivels are rated by either a) size of the stem, b) depth limitation, or c) dead weight tonnage.
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Context source |
Sh91
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Subject field |
Petroleum Engineering
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Comprehensive concept |
rotating system
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Partitive concept |
bail, gooseneck, washpipe, easy change packing, upper seal, upthrust bearing, main bearing, lower bearing, body, stem
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it |
testa d´iniezione
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Reliability code |
3
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