Asymmetric insert for inner row of an earth boring cutter

Details Asymmetric insert for inner row of an earth boring cutter Asymmetric insert for inner row of an earth boring cutter

E - Fixed Constructions

21

B

255/72

E21B 10/00 (2006.01) D07B 1/06 (2006.01) E21B 10/52 (2006.01) E21B 10/56 (2006.01)

Patent

CA 1064900

ASYMMETRIC INSERT FOR INNER ROW OF AN EARTH BORING CUTTER Abstract of the Disclosure An asymmetric insert has a formation contacting crest thereby decreasing the loading on the insert and increas- ing the lifetime of the cutter. The insert has a shape prior to assembly in the cutter that includes a base integrally joined to an asymmetric head. The base is mounted in a socket in the cutter body. The head projects from the surface of the cutter and includes a crest positioned to contact the forma- tions with substantially its entire length. -1a-

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