8, for oil drilling, oil and gas wells in the circulation rotary drilling mud to increase agent, cooling the bit, cutting away material from the debris, lubricating the drill pipe, closed hole wall, oil and gas pressure control to prevent the oil from the spray.
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The company is providing finance for oil drilling and development in the North Sea.
该公司提供资金作为在北海钻油及开发之用。
Wheel is a new diamond drill bit for oil drilling tools, drill bit bearing life with their life impact of crucial importance.
轮式金刚石钻头是一种新型的石油钻探工具，钻头轴承的寿命对其使用寿命有着致关重要的影响。
The Mechanical Inclinometer is an apparatus which is used for oil drilling engineering to measure the deviation of the oil Wells.
机械式测斜仪是石油钻井工程中使用的一种用于测量井斜的仪器。
He said he will force government regulators to make it tougher for oil companies to get drilling permits.
VOA: standard.2010.05.14
The White House says it is preparing for the worst. Experts say the most effective solution involves drilling relief wells to reroute oil, a process that could take months.
VOA: standard.2010.05.31
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