1
Jay S Bird: Drill bits and other downhole tools with hardfacing having tungsten carbide pellets and other hard materials and methods of making thereof. Halliburton Energy Services, Baker Botts L, December 4, 2012: US08322466 (3 worldwide citation)

A hardfacing is provided to protect surfaces of drill bits and other downhole tools. The hardfacing may include tungsten carbide particles or pellets formed with an optimum weight percentage of binding material and dispersed within and bonded to a matrix deposit. The tungsten carbide particles may b ...


2
Bird Jay S: Drill bits and other downhole tools with hardfacing having tungsten carbide pellets and other hard materials. Halliburton Energy Serv, October 21, 2009: GB2459217-A (1 worldwide citation)

A hardfacing is provided to protect surfaces of drill bits and other downhole tools. The hardfacing may include tungsten carbide particles or pellets formed with an optimum weight percentage of binding material and dispersed within and bonded to a matrix deposit. The tungsten carbide particles may b ...


3
Bird Jay S: Drill bits and other downhole tools with hardfacing having tungsten carbide pellets and other hard materials. Halliburton Energy Services, Bird Jay S, FELGER Thomas R, July 17, 2008: WO/2008/086083 (1 worldwide citation)

A hardfacing is provided to protect surfaces of drill bits and other downhole tools. The hardfacing may include tungsten carbide particles or pellets formed with an optimum weight percentage of binding material and dispersed within and bonded to a matrix deposit. The tungsten carbide particles may b ...


4
Jay S Bird: Drill bits and other downhole tools with hardfacing having tungsten carbide pellets and other hard materials. Baker Botts, April 29, 2010: US20100101866-A1

A hardfacing is provided to protect surfaces of drill bits and other downhole tools. The hardfacing may include tungsten carbide particles or pellets formed with an optimum weight percentage of binding material and dispersed within and bonded to a matrix deposit. The tungsten carbide particles may b ...


5
BIRD JAY S: TREPANS ET AUTRES OUTILS DE FORAGE A RECHARGEMENT DUR COMPORTANT DES GRANULES DE CARBURE DE TUNGSTENE ET DAUTRES MATERIAUX DURS, DRILL BITS AND OTHER DOWNHOLE TOOLS WITH HARDFACING HAVING TUNGSTEN CARBIDE PELLETS AND OTHER HARD MATERIALS. Halliburton Energy Services, Halliburton Energy Services, PARLEE MCLAWS, June 23, 2015: CA2674505

A hardfacing is provided to protect surfaces of drill bits and other downhole tools. The hardfacing may include tungsten carbide particles or pellets formed with an optimum weight percentage of binding material and dispersed within and bonded to a matrix deposit. The tungsten carbide particles may b ...