ReedHycalog ® is a leading manufacturer and supplier of drill bits and related applications and technology. ReedHycalog â is building on a long history of innovation in the Oil and Gas industry. Both of our roller cone and fixed cutter product lines offer specialized solutions for a full range of drilling operations. These bits reduce drilling costs and risks through the use of advanced materials, designs, engineering and software. Our long-term commitment to a culture of learning and knowledge sharing ensures industry-leading performance.