This inventor holds 1 USPTO granted patent. Top assignee: Vecto Gray Inc.. Active years: 1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1990
Title: Graeme Johnston - Innovator in Emergency Casing Technology
Introduction
Graeme Johnston is a notable inventor based in Aberdeen, GB. He has made significant contributions to the field of emergency casing technology, particularly with his innovative designs that enhance operational efficiency in challenging situations.
Latest Patents
Johnston holds a patent for an emergency casing hanger. This invention allows casing to be set even when it has become stuck. The hanger features a slip body that slides over the casing after it has been cut. The slip body lands in a wellhead housing and includes a bowl that carries slips for gripping the casing. A split ring, carried by the body, engages a recess in the wellhead housing to lock the hanger in place. A wedge moves the split ring outward when rotated by a running tool. Additionally, an energizing ring carried by the slip body moves the slips downward to energize them. The packoff includes a metal seal ring with an annular cavity, defining inner and outer faces. The inner face contains a plurality of deformable bands, and a wedge member urges the faces apart, causing the bands to deform and seal against the casing. Johnston's innovative design addresses critical challenges in the oil and gas industry.
Career Highlights
Graeme Johnston has dedicated his career to developing solutions that improve safety and efficiency in drilling operations. His work has been recognized for its practical applications and effectiveness in real-world scenarios. With a patent count of 1 patent, Johnston continues to be a valuable asset in his field.
Collaborations
Throughout his career, Johnston has collaborated with talented professionals, including Lawrence A Eckert and Peter M Kent. These partnerships have fostered innovation and contributed to the advancement of technology in the industry.
Conclusion
Graeme Johnston's contributions to emergency casing technology exemplify the spirit of innovation. His patented designs not only solve pressing industry challenges but also enhance operational safety and efficiency. His work continues to inspire future advancements in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile