HYBRID DRILL BIT HAVING INCREASED SERVICE LIFE

A method of improving the service life of a drill bit comprises creating a weldment between load bearing portions of the drill bit where the weldment has a preselected root gap greater than about 25 mils and a preselected root face greater than about 25 mils, and where the weldment has a material pr...

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Bibliographische Detailangaben
Hauptverfasser: RICKS, Gregory L, MASSEY, Alan J, BLACKMAN, Mark P, NGUYEN, Don Q, POTEET, Carl E, SULLIVAN, Eric C, BRADFORD, John F
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A method of improving the service life of a drill bit comprises creating a weldment between load bearing portions of the drill bit where the weldment has a preselected root gap greater than about 25 mils and a preselected root face greater than about 25 mils, and where the weldment has a material property greater than the materials being joined.