| 摘要 |
<p>The invention provides caverns and methods for producing caverns in bedded salt deposits. In a preferred method, a first bore hole (19) is drilled into the salt formation (10) and a cavity (13) for receiving insolubles is leached from the salt formation (10). Thereafter, at a predetermined distance away from the first bore hole (19), a second hole (17) is drilled towards the salt formation. The drill drills through the salt formation in a horizontal direction until it instersects the cavity (13) for receiving insolubles. This produces a substantially horizontal conduit (20) from which solvent is controlledly supplied to the surrounding salt formation, leaching the salt and producing a concentrated brine which is removed through the first bore hole (19). Insoluble are collected in the cavity (13) for receiving insolubles. By controlledly supplying solvent, a horizontal cavern is produced with two bore holes (17 and 19) extending therefrom.</p> |
