How Does a Drill Bit Work?


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How Does a Drill Bit Work?

A [url=http://www.howay-cn.com/drill-bit/]drill bit[/url] is what actually cuts into the rock when drilling an oil or gas well. Located at the tip of the drillstring, below the drill collar and the drill pipe, the drill bit is a rotating apparatus that usually consists of two or three cones made up of the hardest of materials (usually steel, tungsten carbide, and/or synthetic or natural diamonds) and sharp teeth that cut into the rock and sediment below.

In contrast to percussion drilling, which consists of continuously dropping a heavy weight in the wellbore to chip away at the rock, rotary drilling uses a[url=http://www.howay-cn.com/drill-bit/electric-hammer-drill-bit/] electric hammer drill bit [/ur

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