transitive. to plug off (also back): to seal off (an oil well or a water-bearing rock formation) by inserting a plug. Also intransitive.
| 单词 | θ210489 |
| 释义 | society > occupation and work > industry > drilling for oil or gas > drill for oil or gas [verb (intransitive)] > seal off well (2) to plug off (also back)1976 transitive. to plug off (also back): to seal off (an oil well or a water-bearing rock formation) by inserting a plug. Also intransitive. Subcategories:— of borehole: become sealed by mud (1) |
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