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| шар для ГРП (MichaelBurov); шар для гидроразрыва (MichaelBurov); шар для фрэкинга (MichaelBurov) | |||
| потокоотклоняющий шар (A diverter ball is a ball that is dropped or pumped through wellbore tubulars in a process known as diversion, and used during acidizing and fracturing operations. Nik-On/Off) | |||
| frac ball: 2 phrases in 1 subject |
| Technology | 2 |