专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

2. 发明授权

US09581006B2 Traveling undercut solution mining systems and methods 有权
标题翻译：旅行底切解决方案挖掘系统和方法
公开(公告)号：US09581006B2
公开(公告)日：2017-02-28
申请号：US14991420
申请日：2016-01-08
申请人： SOLVAY CHEMICALS, INC.
发明人： Ronald O. Hughes , Jean-Paul Detournay , Alain Vandendoren , Larry C. Refsdal , Joseph A. Vendetti , Michael C. Montoya
IPC分类号： E21B43/28 , E21B43/29
CPC分类号： E21B43/283 , E21B43/28 , E21B43/292 , E21C37/00
摘要： In-situ solution mining method of an ore bed, particularly containing trona, which comprises exposing to a solvent an ore region inside a borehole drilled in the ore, and dissolving a desired solute within the exposed region to provide a liquor and create a voided ‘undercut’, such undercutting making the ore susceptible to gravitational loading and crushing. Unexposed ore falls into the undercut by gravity without breaking the ore roof resulting in exposure of fresh ore to the solvent and in preventing solvent exposure to contaminating material near the roof. The desired solute is eventually dissolved away in the entire bed from its floor up to its roof. Solvent injection may be delivered through a conduit positioned inside the borehole, and may be moved by retracting or perforating the conduit. The method may employ an advancing undercut initiated up-dip and traveling down-dip, or a retreating undercut initiated down-dip and traveling up-dip.
摘要翻译：特别是含有天然碱的矿床的原位溶液开采方法，其包括将在矿石钻出的钻孔内的矿石区域暴露于溶剂，并将期望的溶质溶解在暴露的区域内以提供液体并产生空隙的“ 底切“，这种底切使得矿石易于引力加载和破碎。未发现的矿石通过重力落入底切而不破坏矿顶，导致新鲜矿石暴露于溶剂中并防止溶剂暴露于屋顶附近的污染物质。期望的溶质最终从其地板直到其顶部溶解在整个床中。溶剂注射可以通过位于钻孔内部的导管输送，并且可以通过缩回或穿孔导管来移动。该方法可以采用推进的底切启动的向上倾斜和行进下倾，或者采用后退的底切开始向下倾斜和向上移动。

IPRDB

热门服务

关于我们

友情链接

联系方式