
高频扭转冲击钻进的减振与提速机理研究
Study on damping and speed-raising mechanism of high frequency torsional impact drilling
硬地层 / 钻井技术 / 高频扭转冲击 / 岩石破碎 / 机械钻速 {{custom_keyword}} /
tough formation / drilling technology / high frequency torsional impact / rock breaking / rate of penetrate {{custom_keyword}} /
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