Technology Varelrollerconedrillbits 13261086839331-phpapp01-120109053222-phpapp01

1. ROLLER CONE BITS Oil and Gas Products 2011 2. About Varel International ............................... 1 Varel Roller Cone Drill Bit Technology ......................…

Documents Varel Roller Cone Drill Bits

1. ROLLER CONE BITSOil and Gas Products2011 2. Table of ContentsAbout Varel International.............................. 1Varel Roller Cone Drill Bit Technology.....................…