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Drill bit shear relief for horizontal directional drilling of rock formations
Drill bit shear relief for horizontal directional drilling of rock formations
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机译:钻头剪力释放装置,用于岩层的水平定向钻井
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摘要
A drill bit for directional boring of all earth formations such as dirt, sand, rock and/or any type combination of formations, utilizing a bit body containing fixed and semi-floating cutting points and one or more fluid channels for the purpose of lubricating and dispersing cut and/or fractured formations.
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