US Patent 9316057 Rotary drill bits with protected cutting elements and methods
Patent 9316057 was granted and assigned to Halliburton on April, 2016 by the United States Patent and Trademark Office.
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A rotary drill bit with cutting elements operable to control depth of cut and rate of penetration during formation of a wellbore are provided. Respective sets of secondary cutting elements and primary cutting elements may also be disposed on exterior portions of a rotary drill bit. A number of blades may extend from exterior portions of the drill bit with a number of cutting elements disposed on exterior portions of each blade. Each cutting element may include a substrate with a cutting surface disposed thereon. A respective protector may extend from the cutting surface of one or more cutting elements to limit depth of penetration of the associated cutting element into adjacent portions of a downhole formation and/or to control rate of penetration of an associated rotary drill bit.
US Patent 09316057 Rotary drill bits with protected cutting elements and methods US Patent 9316057 Rotary drill bits with protected cutting elements and methods
US Patent 09316057 Rotary drill bits with protected cutting elements and methods
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