Optimizing wellbore trajectory design is the key link to ensure the quality of well bore, decrease accidents in well hole and lower drilling cost.

优化井眼轨道设计是保证井身质量，减少井下事故，降低钻井成本的关键环节之一。

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And then workout the computational programme to identify the salt rock rheological models and mechanical property inversion, well hole diameter shrinking rule.

编制了盐岩流变模型辨识及力学参数反演、井眼缩径规律的计算程序。

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I've learned never to deserves to empty the well of my writing, but always deep in the bottom left some water stop, and let the water fountain in the middle of the night to well hole to fill up.

⊙、我已经学会决不要把我的写作之井汲空，而总是在井底深处还留下一些水的时候停笔，并让那给井供水的泉源在夜里把井重新灌满。

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Instead, they are opting for little more than, well, a hole in the ground.

WSJ: Recycling Project: Green Cemeteries | WSJ.Money Summer 2013

Add to that the extraordinary talent in the kitchens of Dublin's Michelin-starred restaurants as well as in hole-in-the-wall cafes in the countryside, and you have nothing less than a culinary rebirth, a phoenix rising from the coal ash, deliciously.

WSJ: The New Green Cuisine

The government is still well in the hole on its automotive rescue of General Motors and Chrysler, and it may never fully recoup the billion upon billions spent to keep Fannie Mae and Freddie Mac in business.

FORBES: Treasury Sells More AIG Shares: $20.7B Total Cuts Stake To 15.9%