| 单词 | saver sub |
| 释义 | saver sub in the Oil and Gas Industry (seɪvər sʌb) Word forms: (regular plural) saver subs noun (Extractive engineering: Field development, Equipment) A saver sub is a short piece of connecting pipe with threads on both ends, which is part of a drill string. The core barrel was secured in the drill string at the surface by two set screwsin a saver sub. When the hole has to be deepened, and pipe added to the drill string, the threadsare unscrewed between the saver sub and the rest of the drill string. A saver sub is a short piece of connecting pipe with threads on both ends, which is part of adrill string. |
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