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A roller-cone bit is a drill bit used for drilling through rock that features 2 or 3 abrasive, spinning cones that break up rock and sediment as they grind against it. Roller-cone bits are typically used when drilling for oil and gas. [1] A water jet flowing through the bit washes out the rock in a slurry. [2]
The essential assets of Hughes Tool Company, as it was renamed, were August 10, 1909, patents for his dual-cone rotary drill bit. The fees for licensing this technology were the basis of Hughes Tool's revenues, and by 1914 the dual-cone roller bit was used in eleven U.S. states and in thirteen foreign countries.
The factors affecting drill bit selection include the type of geology and the capabilities of the rig. Due to the high number of wells that have been drilled, information from an adjacent well is most often used to make the appropriate selection. Two different types of drill bits exist: fixed cutter and roller cone. A fixed cutter bit is one ...
Drill bits are broadly classified into two main types according to their primary cutting mechanism. Rolling cutter bits drill largely by fracturing or crushing the formation with "tooth"-shaped cutting elements on two or more cone-shaped elements that roll across the face of the borehole as the bit is rotated.
The company was established in December 1908 [1] as Sharp-Hughes Tool Company when Howard R. Hughes Sr. patented a roller cutter bit that dramatically improved the rotary drilling process for oil drilling rigs. He partnered with longtime business associate Walter Benona Sharp to manufacture and market the bit.
"A roller-coaster ride of a forecast is in store across the Northeast this week," AccuWeather meteorologist Brandon Buckingham said. He warned of "the potential for an impactful storm late in the ...