This inventor holds 1 USPTO granted patent. Top assignee: Expro North Sea Limited. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Chris Stewart and Efficient Wellbore Sealing
Introduction
Chris Stewart is an inventor based in Dyce, Great Britain. His patent work includes a system designed to improve sealing in subterranean wellbores.
Latest Patents
Stewart is associated with 1 patent, titled “Intervention System for Efficient Sealing.” The invention describes systems and methods for sealing the annulus outside a wellbore casing using an intervention insertion system. In some examples, magnetorheological cementitious material is positioned in the annulus and held in place by magnetic forces from an electromagnet inside the wellbore. The material can then harden and set in the desired position.
Career Highlights
Stewart is associated with Expro North Sea Limited. His patent focuses on applying magnetic forces to control the placement of cementitious material, with the aim of making wellbore sealing more efficient.
Collaborations
Hannah Stewart and Dylan Johnston are identified as Stewart’s coworkers.
Conclusion
Chris Stewart’s patent presents an approach to efficient subterranean wellbore sealing by using an electromagnet to position magnetorheological cementitious material as it sets.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile