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: BRADFORD, JOHN F, NGUYEN, DON Q, MASSEY, ALAN J, BLACKMAN, MARK P, POTEET, CARL E, RICKS, GREGORY L, SULLIVAN, ERIC C
Format: Patent
Sprache:eng
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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.