136302 ⎘
Methods or devices for placing filling-up materials in underground workings characterised by the kind or composition of the backfilling material
METHOD OF EXTRACTING ORE USING TUNNEL BORING MACHINE
#2STORAGE OF ORGANIC MATERIAL IN BOGS TO REDUCE CO2 IN THE ATMOSPHERE
#3COMBINED PROCESS OF INTEGRATING STOPING-BACKFILLING AND CARBON STORAGE
#4System and method for stabilizing a mine
#5Plug for a Void, System and Method
#6FLUIDIZED COAL MINING METHOD FOR IMPLEMENTING CO2 UNDERGROUND STORAGE
#7CONTINUOUS MINING AND DELAYED FILLING MINING METHOD FOR DEEP ORE BODY MASONRY STRUCTURE
#8Method for filling deformable karst cave
#9COAL-BASED SOLID WASTE TRANSPORT AND FILLING INTEGRATED MACHINE MINING SYSTEM AND METHOD
#10INTEGRATED METHOD FOR MINERALIZING AND SEQUESTRATING CARBON DIOXIDE AND FILLING GOAF WITH FLY ASH
#11Process for controlled in-situ coal gasification and a filling device to operate the same
#12Method for ecological filling with mixed coal gangue and fly ash
#13Plug for a void, system and method
#14Multi-functional plugging agent for coal mine and preparation method thereof
#15Dendritic reverse underground mining method for thin coal seam at end slope of strip mine
#16Method for recovering room-type coal pillars by cemented filling of reserved roadways
#17ZERO-GANGUE-DISCHARGE SHORT-WALL FACE PILLAR-FREE MINING METHOD
#18System and method for monitoring bearing compression rate of filler in coal mine gob area
#19CLEAN AND EFFICIENT COAL MINING METHOD
#20FEED APPARATUS AND METHOD FOR FEEDING CEMENT TO A CEMENT SILO
#21Method of Drilling Pathways to Mine for Solid Natural Resources from an Elevated Terrain
#22Closure methods for mines
#23PASTE FOR USE IN MINING PROCESSES
#24Plug for a void, system and method
#25Mine exploitation based on stoping, separation and filling control
#26Internally injected replacement support room-type coal pillar recovery method
#27Method of Surface Borehole Mining Using Horizontal Drilling Techniques
#28Methods and systems for foam mine fill
#29Plug for a void, system and method
#30Method for mining ultra-thick coal seam by utilizing goaf solid backfilling technique
#31Plug for a void, system and method
#32METHOD FOR DYNAMIC WATER FEEDING AND HOLE SEALING USING HIGH WATER-ABSORBENT RESIN
#33Closure methods for mines
#34Method for recovering room-mining coal pillars by solid filling in synergy with artificial pillars
#35Polyamide foams which inhibit the spread of fires for filling cavities in mining
#36FEED APPARATUS AND METHOD FOR FEEDING CEMENT TO A CEMENT SILO
#37Method and an apparatus for creating a void for underground mining
#38Method for efficiently treating spontaneous ignition of remaining coal in large area goaf of shallow-buried coal bed
#39METHODS AND SYSTEMS FOR FOAM MINE FILL
#40Mining system with sustainable energy reservoir legacy
#41Stowing method for goaf of potash salt ore
#42System and method for treating an excavation activity
#43FROZEN BACLFILL MIX FORMULATIONS AND PROCESS FOR USE THEREOF IN UNDERGROUND MINING APPLICATIONS
#44METHOD FOR STABILIZATION OF MINE VOIDS USING WASTE MATERIAL AND A BINDING AGENT
#45GYPSUM STABILISATION METHOD
#46Method for saturating cavities present in a mass of soil or in a body in general
#47Hazardous waste disposal using directional angled drilling