Also in development are new drilling muds that cool the drill bit during operation.
新的钻探泥浆(用于在操作时冷却钻头)也在开发中。
Earth stress is the basis of drilling engineering design and field development project design.
地应力是钻井工程设计和油气田开发方案设计的基础。
The company is providing finance for oil drilling and development in the North Sea.
该公司提供资金作为在北海钻油及开发之用。
The company is providing finance for oil drilling and development in the North Sea.
该公司提供资金作为在北海钻油及开发之用。
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