 |
| |||
| tight gas (MichaelBurov) | |||
| tight gas rock (MichaelBurov); tight rock gas (MichaelBurov) | |||
| газ плотных пород: 2 phrases in 2 subjects |
| Makarov | 1 |
| Oil and gas technology | 1 |
|
| |||
| tight gas (MichaelBurov) | |||
| tight gas rock (MichaelBurov); tight rock gas (MichaelBurov) | |||
| газ плотных пород: 2 phrases in 2 subjects |
| Makarov | 1 |
| Oil and gas technology | 1 |