Method of mining a soluble mineral

Method of mining metals located in the earth

Method of rapidly abandoning large cavities washed-out in rock s

Method of recovering coal in aqueous slurry form

Method of repair of short circuits for in situ leaching

Method of solution mining potassium chloride from subterranean d

Method of solution mining salts from an underground salt deposit

Method of solution mining subsurface orebodies to reduce restora

Method to connect drill holes utilizing signalling devices

Methods for constructing underground borehole configurations...

Methods of and apparatus for mining and processing tar sands and

Mining of sulphur

Mining of sulphur with foam barrier

Multiple branch well containing one producer and one injector we

Multiple-bed solution mining of an inclined structure