Hydraulic mining tool apparatus

Details Hydraulic mining tool apparatus Hydraulic mining tool apparatus

E - Fixed Constructions

21

C

262/29

E21C 25/60 (2006.01) E21B 7/18 (2006.01) E21B 21/12 (2006.01) E21B 43/29 (2006.01)

Patent

CA 1131665

4428-A IMPROVED HYDRAULIC MINING TOOL APPARATUS Abstract of the Invention An improved hydraulic mining tool for recovering minerals, particularly bitumen, and other viscous crude oils, from subterranian formations is disclosed, composed generally of a radially directed cutting jet nozzle which discharges a high velocity liquid to dislodge bitumen, viscous crude oils, and sand particles from the formation and a venturi-type pump and jet nozzle which lifts the dislodged material upward to the surface. The mining tool includes a rock crushing mechanism having means to vary its impact force and reciprocation frequency and an Archimedes feed screw which provides a variable quantity, continuous feed of mined material into the jet pump inlet.

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