ULTRA-HIGH ROP BLADE ENHANCEMENT

摘要

A drill bit for drilling a hole in an earth formation includes a bit body and a blade extending from the bit body. The blade has a leading section, a top section, and a plurality of transition sections extending between the leading section and the top section. The drill bit further includes a plurality of cutters. Each cutter is positioned in a respective cutter pocket formed. Each cutter extends beyond the top section of the blade, and each transition section of the blade is between adjacent cutter pockets. The drill bit further includes a plurality of abrasion resistant inserts. Each abrasion resistant insert is positioned in a respective insert pocket formed in the blade. The plurality of abrasion resistant inserts are designed to cut into an earth formation. At least a portion of each abrasion resistant insert is disposed at a respective transition section of the blade.

主权项

1. A drill bit for drilling a hole in an earth formation, the drill bit comprising:
a bit body; a blade extending from the bit body, the blade having a leading section, a top section, and a plurality of transition sections extending between the leading section and the top section, wherein the leading section faces a direction of rotation of the drill bit; and a plurality of cutters, each cutter positioned in a respective cutter pocket formed in the blade, wherein each cutter extends beyond the top section of the blade, wherein each transition section of the blade is between adjacent cutter pockets; and a plurality of abrasion resistant inserts, each abrasion resistant insert positioned in a respective insert pocket formed in the blade, wherein the plurality of abrasion resistant inserts are designed to cut into an earth formation, and wherein at least a portion of each abrasion resistant insert is disposed at a respective transition section of the blade.