US 12,031,386 B2
Blade cover
Huimin Song, Spring, TX (US); Youhe Zhang, Spring, TX (US); Sudarsanam Chellappa, Houston, TX (US); and Ting Ren, Conroe, TX (US)
Assigned to SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US)
Appl. No. 18/043,143
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
PCT Filed Aug. 26, 2021, PCT No. PCT/US2021/047731
§ 371(c)(1), (2) Date Feb. 27, 2023,
PCT Pub. No. WO2022/047017, PCT Pub. Date Mar. 3, 2022.
Claims priority of provisional application 63/071,188, filed on Aug. 27, 2020.
Prior Publication US 2024/0011358 A1, Jan. 11, 2024
Int. Cl. E21B 12/04 (2006.01)
CPC E21B 12/04 (2013.01) 18 Claims
OG exemplary drawing
 
13. A method of forming a downhole tool, comprising:
providing a body, the body comprising a blade, the blade comprising a first kaying feature, body leading face, and body outer face;
providing a pre-sintered blade cover, the pre-sintered blade cover comprising
a second keying feature, a cover leading face, and a cover outer face, wherein the second keying feature is complementary to the first keying feature of the blade, and wherein the first keying feature and the second keying feature are configured to align the pre-sintered blade cover on the blade;
connecting the pre-sintered blade cover to the blade such that the first keying feature is engaged with the second keying feature and the cover outer face covers at least part of the body outer face; and
forming a cutter pocket in the pre-sintered blade cover and the blade after connecting the pre-sintered blade cover to the blade by removing at least a portion of the pre-sintered blade cover and at least a portion of the blade.