| 单词 | annular space |
| 释义 | annular space in the Oil and Gas Industry (ænyələr speɪs) Word forms: (regular plural) annular spaces noun (Extractive engineering: Field development, Drilling) An annular space is a ring-shaped space outside the drillpipe, through which mud and cuttings are removed. The annular space between the drillpipe and the borehole was so narrow that there was a violent upwardflow of drilling fluid containing cuttings. The cement is pumped downhole to the bottom of the well and is forced up a certaindistance into the annular space between casing and the rock wall of the drill hole. An annular space is a ring-shaped space outside the drillpipe, through which mud and cuttings areremoved. |
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