This inventor holds 3 USPTO granted patents, plus 2 CIPO patents and 2 EPO patents. Top assignees: National Oilwell Varco, L.p., Aps Technology, Inc.. Active years: 2012-2016.
Company Filing History:
Years Active: 2012-2016
Title: Innovations of David Anderson Coull
Introduction
David Anderson Coull is a notable inventor based in Montrose, GB. He has made significant contributions to the field of drilling technology, holding a total of three patents. His work focuses on enhancing the efficiency and effectiveness of drilling operations.
Latest Patents
One of Coull's latest patents is the Rotary Steerable Drilling Apparatus. This innovative device allows for the bending of a portion of the bottom hole assembly of a drill string by utilizing the rotation of the drive shaft. This occurs during normal drilling operations, even at reduced or zero drilling mud flow rates. The apparatus employs a tension tube that interacts with a flexible housing, enabling controlled bending in a predetermined direction. This technology significantly alters the direction of drilling, enhancing operational capabilities.
Another notable patent is the Downhole Tractor. This method involves translating a member through a bore by moving fluid through a tubular member, such as a drill string. By generating impulses on the member through controlled fluid passage, the valve mechanism urges the member to advance in a selected direction. This innovative approach improves the efficiency of drilling operations.
Career Highlights
Throughout his career, David Anderson Coull has worked with prominent companies in the industry, including National Oilwell Varco and Aps Technology, Inc. His experience in these organizations has contributed to his expertise in drilling technologies and innovations.
Collaborations
Coull has collaborated with notable professionals in the field, including Alan Martyn Eddison and Derek James Stuart. These collaborations have further enriched his work and contributed to advancements in drilling technology.
Conclusion
David Anderson Coull's contributions to drilling technology through his innovative patents demonstrate his commitment to improving industry practices. His work continues to influence the field and showcases the importance of innovation in engineering.