Composite downhole tool
作者： Cary A. Roth , Mingdong Cai , Madapusi K. Keshavan , Gregory T. Lockwood
DOI:
关键词:
摘要: A downhole cutting tool includes a body having at least 80 % of its volume made one metallic region. The region plurality particles in an infiltration binder. binder has melting temperature below the solidus particles. hardness gradient extending 0.5 inches from portion outer surface to interior region, decreasing amount carbon towards portion. also elements element pockets on body.
lens.org 参考文章(5)
Michale E. Waller, Morris E. Chandler, Heath C. Coleman, Prakash K. Mirchandani, Earth-boring bits and other parts including cemented carbide ,(2009)
Kevin L Glass, Darrell M Ashby, Casting of tungsten carbide matrix bit heads and heating bit head portions with microwave radiation ,(2008)
Hans Seehuus, Are Funderud, Locking ring with tapered recesses ,(2014)
Tu Tien Trinh, Xiaomin Chris Cheng, Eric C. Sullivan, Methods of forming earth-boring tools ,(2011)