INSERTS CUTTERS USED

Brand Owner Address Description
CELLULAR SMITH INTERNATIONAL, INC. 1310 Rankin Road Houston TX 77073 Inserts and cutters used in drill bits for drilling boreholes such as oil and gas wells;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. An expandable drill bit comprises a body for mounting on a support string and two roller cutters mounted on the body. The cutters are movable between a smaller diameter first configuration and a larger diameter second configuration. In one embodiment the bit is adapted to drill with the cutters in both the first and second configurations.