Ingegneria meccanica: Industria petrolifera
| English |
| swivel |
  |
|
| Part of speech |
Noun
|
| Grammatical label |
Countable
|
| 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.
|
| Definition source |
Sh91
|
| Context |
Swivels are rated by either a) size of the stem, b) depth limitation, or c) dead weight tonnage.
|
| Context source |
Sh91
|
| Subject field |
Petroleum Engineering
|
| Comprehensive concept |
rotating system
|
| Partitive concept |
bail, gooseneck, washpipe, easy change packing, upper seal, upthrust bearing, main bearing, lower bearing, body, stem
|
| it |
testa d´iniezione
|
| Reliability code |
3
|
|
