Apparatus for establishing hydraulic flow regime in drill bits

Details Apparatus for establishing hydraulic flow regime in drill bits Apparatus for establishing hydraulic flow regime in drill bits

1988-01-20

1989-09-26

Massie IV, Jerome W.

Boring or penetrating the earth

Bit or bit element

With fluid conduit lining or element

175329, E21B 1060

Patent

active

048693308

ABSTRACT:
A drill bit is provided which includes cutting elements cooperatively arranged with apertures in the bit to define flow paths for hydraulic flow proximate each cutting element. Cutting elements are preferably arranged in cutting pads which generally surround the apertures, such that hydraulic flow is forced to flow across the entire surface of the cutting pad. The dimensions of the cutting pad may be varied so as to control the hydraulic flow.

REFERENCES:
patent: 3272704 (1973-04-01), Ablanalp
patent: 3322218 (1967-05-01), Hildebrandt
patent: 3709308 (1973-01-01), Rowley et al.
patent: 4655303 (1987-04-01), Winters et al.
patent: 4727946 (1988-03-01), Barr et al.
patent: 4733735 (1988-03-01), Barr et al.
patent: 4776411 (1988-10-01), Jones

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