Underwater baseplate installation in advance is needed for semi-submersible platform pre-drilling well.

平台预钻井，需要预先安装水下基盘。

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Only through accurate pre-drilling pressure prediction and carefully geologic study, the drilling safety can be assured.

只有准确地搞好钻前压力预测，搞好油气地质研究，才能确保钻井的安全。

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The idea of genetic types of reef petroliferous system have played an important role in pre-drilling appraisal of hydrocarbon potential for reef reservoir.

这一认识对钻前评估潜伏礁体的含油气潜力具有重要的意义。

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And landowners should seek assurance that drinking water will be tested pre- and post-drilling, with any adverse effects remediated.

FORBES: Shale Leases: Promised Land

Officials, including Mr Gabrielli, argue that since drilling in the pre-salt is now almost certain to yield oil, the rewards for investors in new blocks should reflect this lower exploration risk.

ECONOMIST: Brazil

Even if the costs from drilling are much greater than was recognized pre-spill, that does not make Cap-and-Trade a good policy.

FORBES: A Gulf Spill Reality Check