Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Reexamination Certificate
2006-07-04
2006-07-04
Bagnell, David (Department: 3672)
Boring or penetrating the earth
Bit or bit element
Specific or diverse material
C175S428000
Reexamination Certificate
active
07070011
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.
Bagnell David
Baker Hughes Incorporated
Bomar Shane
TraskBritt
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