Jet cutting device with deflector
AssigneeShell Oil Company
InventorJan Jette Blange
Life of this patent
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Abstract
A jet cutting device having a cutter head provided with a nozzle for ejecting a stream of fluid against a body so as to create a selected cut in said body. The cutter head is provided with a deflector having a deflection surface arranged to deflect the stream of fluid ejected by the nozzle into a selected direction in accordance with the position of said cut to be created.
Claims34
A jet cutting device for cutting a borehole in a body, comprising a cutter head provided with a nozzle for ejecting a stream of fluid against said body so as to create a selected cut in said body, the cutter head being rotatable in the borehole about a longitudinal axis, wherein the cutter head is provided with a deflector having a deflection surface arranged to deflect the stream of fluid ejected by the nozzle into a selected direction in accordance with the position of said cut to be created, wherein the deflection surface is arranged to deflect the stream of fluid in a direction more parallel to the longitudinal axis than the direction of ejection of the stream from the nozzle.
Dependencies are inferred from the claim text.