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| subsurface risk (The risk that a structure may be found not to contain hydrocarbons when drilled, or that a reservoir may not flow oil or gas as expected. This risk is common to all oil and gas exploration and production businesses. Kenny Gray) | |||
| exploration risk | |||
| geological risk | |||
| geologic hazard (vbadalov) | |||
| геологического риска: 4 短语, 2 学科 |
| 地质学 | 3 |
| 钻孔 | 1 |