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▲美国国民供应公司据称是世界上最大的普通钻机制造企业，1979年3月从自动钻机公司买进技术，计划于去年底制成一台额定钻深为6100—7620米的自动钻机计划在年底制成。第一代和第二代钻机都是样机，钻了约30口井，证明设计是可行的。命名为“国民A10-32”的第三代新钻机，已证明在性能上和经济上都能与普通钻机竞争。自动钻进的设计，在技术上正趋于成熟。这种钻机主要被看作是海上钻机和特种钻机。用专门设计的计算机控制钻杆接卸，机台上不需要人，不存在钻进操作的危险区。先进的自动化技术也用在
▲ National Supply Company, purportedly the world’s largest manufacturer of conventional drilling rigs, bought technology from automatic rig companies in March 1979 and plans to build an automatic drilling rig at the end of last year with a rated drilling depth of 6100-7620 meters at Made by the end. The first and second generation rigs are prototypes and about 30 wells were drilled to prove that the design is feasible. The third generation of the new rig, named “National A10-32”, proved to be competitive in both performance and economy with conventional rigs. The design of automatic drilling is technically maturing. This rig is mainly seen as a marine rig and a special rig. With specially designed computer control drill pipe handling, the machine does not need people, there is no danger of drilling operation. Advanced automation technology is also used