To acquire this background, the petroleum exploration geologist must have mastered the basic principles.

石油地质勘探工作者要具备这一基本功，就必须掌握基本原理。

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The petroleum exploration geologist working with subsurface channel sandstone must have a background knowledge of geomorphology.

和地下的水道砂岩打交道的石油地质工作者，必须具备地貌学方面的基础知识。

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"The reason BP and other oil companies have to push the limits of technology in exploration and extraction is that they have no other option remaining," says geologist Bitzer.

“英国石油公司等之所以拼命开发勘探钻探技术，是因为他们别无选择。”地质学家比泽尔说。

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Golden, then a staff geologist and now head of deepwater exploration for BP, came up with a theory that massive oil deposits lay just beyond the Continental Shelf in the Gulf of Mexico, in waters 300 meters deep or more.

FORBES: Going deep