我队自1979年全面采用金刚石钻进以来,先后使用了郑州、无锡、六○一、六○二、上砂、北冶等厂生产的天然和人造金刚石钻头近二千个。在钻头管理上,对每个钻头的使用效果进行了登记,并实行了金刚石钻头节约奖励办法。开始只是对各类钻头在不同矿区规定了不同的实物消耗量定额,81年又改为以价值量定额作为考核标准。这是由于自实行单机核算以 Our team has used nearly 2,000 natural and man-made diamond bits from Zhengzhou, Wuxi, 601, 602, Shangsha and Bei Ye factories since its full use of diamond drilling in 1979. In the drill bit management, the use of each bit was registered, and the implementation of the diamond bit saving incentives. At the beginning, the quotas for different kinds of physical consumption of various types of drill bits were set at different mines. In 81 years, the quotas of the amount of value were adopted as the assessment standards. This is due to the implementation of stand-alone accounting