US 12,442,254 B2
Split blade drill bit
James Masdea, Houston, TX (US)
Assigned to Schlumberger Technology Corporation, Sugar Land, TX (US)
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
Filed on Jun. 30, 2023, as Appl. No. 18/346,195.
Prior Publication US 2025/0003293 A1, Jan. 2, 2025
Int. Cl. E21B 10/55 (2006.01); E21B 10/43 (2006.01)
CPC E21B 10/55 (2013.01) [E21B 10/43 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A bit for removing material from a formation, the bit comprising:
a bit body comprising a first gauge pad and a second gauge pad, wherein the first gauge pad is disposed at a first sweep angle on the bit body, the first sweep angle being approximately 0°, and wherein the second gauge pad is disposed at a second sweep angle on the bit body different than the first sweep angle, the second sweep angle being approximately 10°; and
a first blade comprising a leading portion and a trailing portion, wherein the leading portion is disposed on the first gauge pad with a negative helix angle and the trailing portion is disposed on the second gauge pad with a positive helix angle,
wherein the bit body further comprises a region between the leading portion and the trailing portion.