Double-runner PDC (polycrystalline diamond compact) drill bit

Double-runner PDC (polycrystalline diamond compact) drill bit

  • CN 105,888,560 A
  • Filed: 04/28/2016
  • Published: 08/24/2016
  • Est. Priority Date: 04/28/2016
  • Status: Active Application
First Claim
Patent Images

1. a double flow passage PDC drill head, including:

  • Drill body, is provided with inlet opening in described drill body;

    Multiple wings, the plurality of wing is arranged at the bizet of described drill body;

    First jet, described first jet is arranged between adjacent blades, and connects with described inlet opening;

    WithAndPressurized nozzle, described pressurized nozzle is arranged at described wing top, and is filled by pipeline communication to superchargingPut.

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