 |
| |||
| cement plug (User) | |||
| cementer; plug | |||
| cementing plug | |||
| plug combination; trip plug | |||
| цементировочная пробка: 94 do fraz, 11 tematyki |
| Makarowa | 1 |
| Olej i gaz | 3 |
| Pola naftowe | 3 |
| Pospolicie | 1 |
| Ropa / ropa naftowa | 35 |
| Sachalin | 25 |
| Sachalin r | 3 |
| Technika i technologia | 13 |
| Technologia ropy i gazu | 5 |
| Transport | 1 |
| Wiercenie | 4 |