Diamond cutting element in a rotating bit

Details Diamond cutting element in a rotating bit Diamond cutting element in a rotating bit

E - Fixed Constructions

21

B

255/68

E21B 10/46 (2006.01) E21B 10/56 (2006.01)

Patent

CA 1212376

AN IMPROVED DIAMOND CUTTING ELEMENT IN A ROTATING BIT Abstract of the Disclosure An improved tooth for use in rotating diamond bits incorporating a generally triangular prismatic polycrystalline diamond element is devised by integrally forming an oval shaped base about the tooth or element extending from the face of the rotating bit, thereby providing a lateral reinforcing collar. the diamond element is also reinforced by a tapered trailing support having a leading surface continguous and substantially congruous with the trailing surface of the diamond element. In one embodiment, a prepad provides reinforcement or support for the leading surface of the diamond element. page 1

448970

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