US 12,326,044 B2
Erosion resistant insert for drill bits
Youhe Zhang, Spring, TX (US); Huimin Song, Spring, TX (US); and Steven G. Villareal, Houston, TX (US)
Assigned to Schlumberger Technology Corporation, Sugar Land, TX (US)
Appl. No. 18/573,084
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
PCT Filed Jun. 24, 2022, PCT No. PCT/US2022/034945
§ 371(c)(1), (2) Date Dec. 21, 2023,
PCT Pub. No. WO2022/272092, PCT Pub. Date Dec. 29, 2022.
Claims priority of provisional application 63/202,818, filed on Jun. 25, 2021.
Prior Publication US 2024/0287854 A1, Aug. 29, 2024
Int. Cl. E21B 10/573 (2006.01); E21B 10/60 (2006.01)
CPC E21B 10/573 (2013.01) [E21B 10/60 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A downhole tool, the downhole tool comprising:
a body having an interior volume and an exterior surface;
a cavity located in the interior volume of the body;
a first port located in the body, the first port providing fluid communication from the cavity through the body to the exterior surface;
a second port located in the body, the second port providing fluid communication from the cavity through the body to the exterior surface; and
a pre-manufactured erosion-resistant insert positioned in the interior volume proximate an inlet of the first port and an inlet of the second port, wherein a first aperture through the erosion-resistant insert aligns with the first port, and a second aperture through the erosion-resistant insert aligns with the second port.