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法国煤炭管理局研究中心(FCBRC)正在开发一种新的钻进技术,它将很快应用于工业中。这是一种将70至150兆牛顿/米~2的中压喷射流与传统的回转钻进工具结合起来的技术。这一技术拥有许多明显的优点。首先是
The French Coal Authority Research Center (FCBRC) is developing a new drilling technology that will soon be used in industry. This is a technology that combines a medium pressure jet of 70 to 150 megapascals / m 2 with a traditional rotary drilling tool. This technique has many obvious advantages. first of all