| 摘要 |
<p>An improved solution mining method for a soluble target layer comprising a target material such as potash, wherein an elongate sump is developed within a salt layer underlying the target layer, with generally horizontal wells ex-tending through the target layer to empty into the elongate sump, the sump capable of storing at least a portion of the salt liberated from the target layer so that an optimized proportion of target material is produced.</p> |
