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Reed岩石钻头公司宣布在他们的产品中增加了一种聚晶金刚石钻头。1982年5月在休斯顿的海洋钻进技术会议上,该公司介绍了这种新产品。这种钻头适用于在北海的软地层中,目前正逐渐从北海向美国德克萨斯中南部和路易斯
Reed Rock Drills announced the addition of a polycrystalline diamond drill to their product. At the Marine Drilling Technology Conference in Houston in May 1982, the company introduced the new product. This bit is suitable for use in the soft formations of the North Sea, is currently gradually from the North Sea to central and southern Texas and Lewis