Method and Apparatus for Jet-assisted Drilling Or Cutting
An abrasive cutting or drilling system, apparatus and method, which includes an upstream supercritical fluid and/or liquid carrier fluid, abrasive particles, a nozzle (10) and a gaseous or low-density supercritical fluid exhaust abrasive stream. The nozzle (10) includes a throat section (2) and, optionally, a converging inlet section (1), a divergent discharge section (3), and a feed section (12).
OGLESBY KENNETH D [US]; SUMMERS DAVID A [US]; WOELK KLAUS H [US]; GALECKI GRZEGORZ [US]
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