Methods and apparatus for establishing hydraulic flow regime...

Details Methods and apparatus for establishing hydraulic flow regime... Methods and apparatus for establishing hydraulic flow regime...

E - Fixed Constructions

21

B

255/68

E21B 10/60 (2006.01) E21B 10/46 (2006.01) E21B 10/56 (2006.01)

Patent

CA 1308407

METHODS AND APPARATUS FOR ESTABLISHING HYDRAULIC FLOW REGIME IN DRILL BITS 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.

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