US 12,241,312 B2
Cutting tool with pre-formed segment
Youhe Zhang, Spring, TX (US); Huimin Song, Spring, TX (US); and Jan Stefan Morley, Houston, TX (US)
Assigned to SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US)
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
Filed on Feb. 27, 2023, as Appl. No. 18/174,702.
Application 18/174,702 is a continuation of application No. 16/615,974, granted, now 11,591,857, previously published as PCT/US2018/033770, filed on May 22, 2018.
Claims priority of provisional application 62/513,351, filed on May 31, 2017.
Claims priority of provisional application 62/513,352, filed on May 31, 2017.
Prior Publication US 2023/0220733 A1, Jul. 13, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. E21B 10/43 (2006.01); B22F 7/06 (2006.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01); E21B 10/46 (2006.01); E21B 10/54 (2006.01); E21B 10/55 (2006.01); E21B 10/633 (2006.01); B28B 1/00 (2006.01)
CPC E21B 10/43 (2013.01) [E21B 10/46 (2013.01); E21B 10/54 (2013.01); E21B 10/55 (2013.01); E21B 10/633 (2013.01); B22F 7/062 (2013.01); B28B 1/001 (2013.01); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12)] 17 Claims
OG exemplary drawing
 
1. A cutting tool comprising:
a body configured to rotate about a longitudinal axis;
a blade connected to the body, the blade extending away from the body, the blade comprising a recess formed at a leading face of the blade;
a pre-formed segment disposed in the recess adjacent to the leading face of the blade and connected to the blade, the pre-formed segment having a cutter pocket therein, the cutter pocket having a sidewall and a base; and
a resilient layer having a leaf spring geometry and disposed in the recess between at least a portion of the pre-formed segment and at least a portion of the blade.