Cavitating liquid jet assisted drill bit and method for deep-hole drilling
Patent
·
OSTI ID:5612232
A drill bit and a method for deep-hole drilling is disclosed in which the drill bit has mechanical cutting means located on its lower cutting face for cutting a solid surface upon rotation of the bit and a plurality of cavitating liquid jet nozzles spaced around the face of the bit to assist in the drilling action, the nozzles being located so as to discharge a plurality of downwardly directed and concentric liquid jets that cavitate to fracture the surface to be drilled in a series of non-overlapping slots as the bit is rotated.
- Assignee:
- Hydronautics, Incorporated
- Patent Number(s):
- US 4391339
- OSTI ID:
- 5612232
- Resource Relation:
- Patent File Date: Filed date 1 Dec 1980; Other Information: PAT-APPL-211662
- Country of Publication:
- United States
- Language:
- English
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