David John Jelley

Title: Innovations by David John Jelley

Introduction

David John Jelley is a notable inventor based in Cheltenham, GB. He has made significant contributions to the field of drilling technology, holding two patents that showcase his innovative approach to rotary drill bits. His work has implications for improving drilling efficiency and reducing equipment wear.

Latest Patents

David's latest patents include a "Method of determining characteristics of a rotary drag-type drill bit" and a "Torque transmitting device for rotary drill bits." The first patent outlines a method for creating a computerized representation of drill bit cutters, allowing for the projection of their shapes onto a fixed plane. This process helps estimate the forces acting on the cutters during drilling. The second patent describes a torque transmitting device that connects a rotary drill bit to a drill collar, allowing for limited relative rotation while preventing damage from momentary reverse rotation.

Career Highlights

David John Jelley works at Camco International (UK) Limited, where he applies his expertise in drilling technology. His innovative patents reflect his commitment to enhancing drilling operations and equipment reliability.

Collaborations

David has collaborated with notable colleagues, including Malcolm Roy Taylor and Andrew D Murdock, contributing to advancements in drilling technology.

Conclusion

David John Jelley is a distinguished inventor whose work in rotary drill bit technology has made a significant impact on the industry. His patents demonstrate a deep understanding of the challenges faced in drilling operations and offer innovative solutions to enhance performance and durability.