We can reduce our overall drill bit production costs by devoting the Cookville factory entirely to drill bit production.

我们可以通过把 Cookville 工厂全部投入到钻头生产中来降低钻头生产成本。

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Bit gauges, rings of defined circumference, are slipped around drill bits to detect and measure wear, which reduces the circumference of the bit during drilling.

钻头规是种周长一定的环型物，它卡紧在钻头的周围，去检测和测量钻头是否磨损，即在钻井过程中是否减少了周长。

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This allows the bit to drill around a central cylinder of rock, which is taken in through the bit and into the core barrel.

这样允许钻头围绕岩石的中心圆柱体钻进，并通过钻头进入取芯桶。

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Those deep water rigs use an enormous amount of diesel fuel to turn the drill bit, and also resist the force that is turning the drill bit and would otherwise force the platform to start turning in the opposite direction.

FORBES: Petroleum Balance

Drilling under Plan A will stop this weekend once the drill bit reaches 1, 247 feet (380 meters), then the drill will receive scheduled maintenance before resuming early next week, engineer Rene Aguilar said.

CNN: STORY HIGHLIGHTS

The hole under way is the excavation hole, where the drill bit will be placed.

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