Five-well drilling practice has shown that steering drilling can create significant profits under certain conditions.

五口试验井实践表明，在一定条件下使用导向钻具，可取得明显的经济效益。

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The results show that the theoretical models and calculation methods presented in this paper accord with drilling practice.

计算结果表明，文中提供的理论模型和计算方法符合工程实际。

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Pendulum assembly is a kind of BHA for hole straightening, which is applied widely in drilling practice.

钟摆钻具是一种常用的纠斜钻具组合，在钻井中应用极为广泛。

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The Cuomo administration has put off a decision on the drilling practice of high-volume hydraulic fracturing, also known as hydrofracking, as it awaits the results of a health-department review, and its uncertainty over the matter appears to reflect statewide sentiment.

WSJ: Backing For Cuomo Declines Upstate

In a statement to the BBC, Exxon Mobil said that before drilling offshore "it is standard industry practice to conduct extensive studies at and below the seabed" to check for hazards, using tools including remote sonar and a magnetometer.

BBC: Russia explores old nuclear waste dumps in Arctic