SPOT-FRONTAL METHOD OF MINING SULFUR THROUGH BOREHOLES FROM POORLY PERMEABLE DEPOSITS

摘要

1. Pocket-frontal system for mining weakly permeable sulphur deposits, particularly with polytropic variation of filtering properties, characterized in that mining begins from pockets with initiating holes bored in a network which is n-times as sparse as the final mining network, in which the possibility has been established of pumping hot water to ensure effective melting of the sulphur in the deposit, preferably exceeding the 10 m3/h recognized as the minimal absorbing power.IMAGE