This inventor holds 13 USPTO granted patents, plus 1 CIPO patent. Top assignee: Schlumberger Technology Corporation. Active years: 2004-2017.
Company Filing History:
Years Active: 2004-2017
Title: Innovations of John Barry Fitzgerald
Introduction
John Barry Fitzgerald is a notable inventor based in Cambridge, GB. He has made significant contributions to the field of neutron logging technology, holding a total of 13 patents. His work focuses on improving measurement techniques in borehole logging tools, which are essential for understanding subsurface formations.
Latest Patents
Fitzgerald's latest patents include innovative methods aimed at enhancing the accuracy of neutron capture measurements. One of his patents addresses the identification of neutron capture from a pulsed neutron logging tool. This invention is designed to overcome the issue of hydrogen contamination affecting density signals. By computing the neutron capture portion of total gamma ray counts and subtracting it from the total counts, Fitzgerald's approach results in a pure inelastic gamma ray measurement.
Another significant patent involves a method to simultaneously determine pore hydrocarbon density and water saturation from pulsed neutron measurements. This method utilizes inelastic and capture gamma-ray count rates from two detectors in a borehole logging tool. It allows for the determination of formation water saturation without prior knowledge of the carbon density in the pore hydrocarbons, showcasing Fitzgerald's innovative approach to complex geological challenges.
Career Highlights
Fitzgerald has had a distinguished career, working with Schlumberger Technology Corporation, a leading company in oilfield services. His expertise in neutron logging technology has positioned him as a key figure in the industry, contributing to advancements that enhance the efficiency and accuracy of subsurface evaluations.
Collaborations
Throughout his career, Fitzgerald has collaborated with esteemed colleagues, including Kenneth Edward Stephenson and Anthony Robert Holmes Goodwin. These collaborations have fostered a productive environment for innovation and have led to the development of groundbreaking technologies in the field.
Conclusion
John Barry Fitzgerald's contributions to neutron logging technology exemplify the impact of innovative thinking in the field of subsurface exploration. His patents not only address existing challenges but also pave the way for future advancements in the industry.