Hydrofracturing in situ stress measurements were used to determine in situ stress states of two drill holes for the pre-feasibility study of an underground reservoir at an engineering site in China.

本文运用水压致裂地应力测量方法，对我国某地下油库预可行性研究工程场区两个钻孔进行了地应力测量。

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If corporate bankruptcy was a realistic potential pre-drill outcome, the business would have been structured and insured differently.

FORBES: Time To Buy BP?

Beyond its production update, Chevron made headlines on Wednesday as it once again won permission from Brazilian regulators to drill in their pre-salt fields off the coast of Rio.

FORBES: Chevron's Production And Refining Down While Brazil Authorizes Ultra-Deepwater Drilling Again