drilling

钻探作业

Refers to the act or process of making a hole, especially for oil, gas, or water.

指钻孔的行为或过程，特别是为了寻找石油、天然气或水。

石油钻探

The process of drilling into the earth to find and extract petroleum.

指钻入地下来寻找和开采石油的过程。