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| 俄语 | 英语 |
| внутреннее кольцевое пространство | A annulus (The "A" annulus is the void between the production tubing and the smallest casing string. (wiki) Alexander Demidov) |
| кольцевое пространство | annulus (между двумя колоннами; The space between the casing and the wall of the wellbore, between two strings of casing, between production tubing and casing or between coiled tubing and tubing or casing. Bab O&GD Alexander Demidov) |
| кольцевое пространство между насосно-компрессорной и обсадной колоннами | production tubing annulus (Alexander Demidov) |
| кольцевое пространство эксплуатационной колонны | production tubing annulus (Alexander Demidov) |