某队滑石矿区56年勘探以来,打了48个钻孔,完成9240米钻探工作量,由于岩矿心采取率低于80%及其他五项质量指标,亦不合乎地质要求,特别岩矿心又未做保留,故将上述进行的工程全部报废。对此省局决定于62年先打一试验钻孔。在边试验、边研究,边改 Since 56 years of exploration in a team’s talc mine, 48 bored wells have been drilled to complete 9,240 m of drilling work. Since the rock core mining rate is less than 80% and other five quality indicators are not in conformity with geological requirements, And did not make reservations, so all of the work carried out above scrapped. The provincial bureau decided to drill a pilot hole in 62 years. In the side of the test, while research, while reform