Diamond drilling is a kind of advanced way in drilling engineering.

金刚石钻进是钻探工程中一种比较先进的钻进方法。

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Therefore, there is some significance for studying the law of salt-gypsum rock creep in drilling engineering.

因此，开展盐膏岩蠕变规律的研究具有十分重要的工程意义。

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Unstable formation was often met in drilling engineering.

工程施工钻孔中，经常遇到不稳定地层。

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Russia's oil and gas bosses, almost all of them educated in Soviet engineering and oil-drilling schools, resented foreigners.

ECONOMIST: Russian energy

Few have the background in oil and gas engineering to help Petrobras expand its operations in deep sea drilling off the Atlantic.

FORBES: Brazil's Strengthening Currency Poses Competition Problem

Banks won't lend the money until much more drilling is done, serious engineering work is completed and a feasibility study is presented sometime in 2004 that shows how much copper and gold can be mined at a profit.

FORBES: Companies & Strategies