论文部分内容阅读
对钻头钻进极坚硬地层打滑的原因进行了分析,提出了利用弱包镶解决打滑的新方法,并对弱包镶钻头的设计原理及生产工艺进行了研究,最后介绍了该类型钻头的典型使用情况.
The reasons for the slipping of extremely hard formation on bit are analyzed. A new method to solve slippage with weak inclusion is proposed. The design principle and production process of weak inclusion bit are studied. Finally, Typical usage.