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首页> 外文期刊>Journal Of The South African Institute Of Mining & Metallurgy >Improving financial returns from mining through geostatistical simulation and the optimized advance drilling grid at El Tesoro Copper Mine
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Improving financial returns from mining through geostatistical simulation and the optimized advance drilling grid at El Tesoro Copper Mine

机译：通过地统计模拟和优化的El Tesoro铜矿超前钻井网格，提高采矿的财务回报

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摘要

Grade control and short-term planning arc usually based on the samples obtained from blasiholes. These samples may carry a large sampling and sample preparation error. At El Tesoro copper mine in northern Chile, an advance drilling grid is used for short term planning and grade control. These drill holes are sampled well in advance, and a short-term model that incorporates several variables and sophisticated estimation methods can be prepared Tor decision making. An additional advantage of the advance drilling samples is that reverse circulation can be used instead or conventional down-the hole equipment, and a very careful sampling and sample preparation process can be implemented, reducing the total sampling error.
机译：坡度控制和短期计划通常基于从孔获得的样品。这些样品可能会带来较大的采样和样品制备误差。在智利北部的El Tesoro铜矿，一个先进的钻孔网格用于短期计划和品位控制。这些钻孔要事先进行好采样，并且可以准备一个包含多个变量和复杂估计方法的短期模型来进行Tor决策。预先钻探样品的另一个优点是可以使用反循环代替传统的井下设备，并且可以执行非常仔细的采样和样品制备过程，从而减少了总采样误差。

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