Metal tools and implements – making – Blank or process – Drill
Reexamination Certificate
2007-05-15
2007-05-15
Wilson, Lee D. (Department: 3723)
Metal tools and implements, making
Blank or process
Drill
C076S108200
Reexamination Certificate
active
11374918
ABSTRACT:
A steel body rotary drag bit for drilling a subterranean formation includes a plurality of support elements affixed to the bit body, each forming at least a portion of a cutting element pocket. Each of a plurality of cutting elements has a substantially cylindrical body and is at least partially disposed within a cutter pocket. At least a portion of the substantially cylindrical body of each cutting element is directly secured to at least a portion of a substantially arcuate surface of the bit body. At least a portion of a substantially planar surface of each cutting element matingly engages at least a portion of a substantially planar surface of a support element.
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Borremans L. R.
Costo, Jr. Robert J.
Duggan James L.
Sherwood, Jr. William H.
Baker Hughes Incorporated
Scruggs Robert
TraskBritt
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