E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 10/46 (2006.01)
Patent
CA 2505710
A cutter for a drill bit used for drilling wells in a geological formation includes a shaped ultra hard working surface. The cutter with the shaped working surface is mounted on a drill bit to provide desired cutting characteristics. The shaped working surface provides varied cutting characteristics depending upon the shape, and the characteristics can vary depending upon the depth of the cut.
Un élément de coupe pour un trépan utilisé pour le forage de puits dans une formation géologique comprend une surface de travail formée ultra dure. L'élément de coupe avec la surface de travail formée est montée sur un trépan pour fournir des caractéristiques de coupe désirées. La surface de travail formée fournit des caractéristiques de coupe variées selon la forme, et les caractéristiques peuvent varier selon la profondeur de la coupe.
Shen Yuelin
Yong Zhou
Zhang Youhe
Borden Ladner Gervais Llp
Smith International Inc.
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