Location History:
- Scotland, GB (2008 - 2015)
- Aberdeen, GB (1991 - 2016)
Company Filing History:
5 out of 452 
3 out of 188 
1 out of 121 
Years Active: 1991-2016
Title: David Stewart Christie: Innovator in Subsea Technology
Introduction
David Stewart Christie is a prominent inventor based in Aberdeen, GB. He has made significant contributions to subsea technology, holding a total of 10 patents. His work focuses on enhancing the efficiency and safety of wellhead assemblies and umbilical management systems.
Latest Patents
One of Christie's latest patents is for a vertical subsea tree annulus and controls access. This innovative wellhead assembly features a tubular housing with an axial bore and a housing annulus passage. The design allows for a tubing hanger to be secured to a string of tubing, which is selectively landed in the housing assembly. The vertical tree assembly, located above the tubing hanger, directs the flow of production fluid from a well through its lateral bore. Another notable patent involves a light well intervention umbilical and flying lead management system. This system includes a deployment platform with a winch and spool assembly, designed to manage umbilical lines and jumpers effectively.
Career Highlights
Throughout his career, David Stewart Christie has worked with notable companies such as Vetco Gray Inc. and ABB Vetco Gray Incorporated. His experience in these organizations has allowed him to develop and refine his innovative ideas in subsea technology.
Collaborations
Christie has collaborated with esteemed colleagues, including Stanley Hosie and Robert K. Voss. Their combined expertise has contributed to the advancement of subsea engineering solutions.
Conclusion
David Stewart Christie is a key figure in the field of subsea technology, with a strong portfolio of patents that reflect his innovative spirit. His contributions continue to shape the industry and improve operational efficiencies in well management.