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钾盐和岩盐股份公司每年都要在拜克曼塞根——胡格（Bergmannssegen-Hugo）钾盐矿打一些水平取心孔及斜孔，用以探明钾盐的埋藏情况。在前些年中，水平取心孔和科孔的年进尺每年约为8000—13000米。艾伯哈特（Eberhartt）于1964年将反循环钻进方法应用于盐矿钻探工作，取得了良好的技术经济效果。水平钻进技术，特别是高效合成金刚石取心钻头的发展更为用较低的成本打更深的钻孔创造了条件。
Every year, potash and rock salt companies hit the horizontal holes and slant holes at the Potmannssegen-Hugo potash mine to ascertain the burial of potash. In previous years, the annual footage of horizontal coring and colony were estimated to be about 8000-13000 meters per year. Eberhartt applied reverse circulation drilling to salt drilling in 1964 and achieved good technical and economic results. Horizontal drilling technology, especially the development of highly efficient synthetic diamond coring bits, has created the conditions for drilling deeper holes at a lower cost.