Home > Term: rotary
rotary
the machine used to impart rotational power to the drill stem while permitting vertical movement of the pipe for rotary drilling. Modern rotary machines have a special component, the rotary or master bushing, to turn the kelly bushing, which permits vertical movement of the kelly while the stem is turning.
- Jenis Kata: noun
- Industri / Domain: Minyak & gas
- Kategori: Pengeboran
- Company: PETEX
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Penulis
- Stepan
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