David John Stuart

Title: David John Stuart: Innovator in Expandable Casing Technology

Introduction

David John Stuart is a notable inventor based in Westhill, GB. He has made significant contributions to the field of expandable casing technology, holding 2 patents that enhance the efficiency and effectiveness of wellbore completion.

Latest Patents

One of his latest patents is for a liner anchor for expandable casing strings and method of use. This innovative design features an expandable slip that is utilized for the completion of a mono-diameter wellbore. The expandable casing is run through the upper casing, with its upper end overlapping the lower end of the upper casing to create a fluid flow path. The operator can expand the overlapping portion of the expandable casing to an intermediate position, allowing the expandable slip to anchor the casing without obstructing the flow path. Cement is then pumped around the outside of the expandable casing, allowing wellbore fluid displaced by the cement and excess cement to flow through the fluid flow path and up the upper casing. Once sufficient cement is in place, the expandable casing is further expanded, compressing the slip into the inner wall of the upper casing and sealing off the fluid flow path.

Career Highlights

David John Stuart is currently employed at Baker Hughes Corporation, a leading company in the oil and gas industry. His work focuses on developing innovative solutions that improve drilling and completion processes.

Collaborations

He collaborates with various professionals in his field, including his coworker Robert C. Smith, to advance the technology and applications of expandable casing systems.

Conclusion

David John Stuart's contributions to expandable casing technology demonstrate his commitment to innovation in the oil and gas sector. His patents reflect a deep understanding of the complexities involved in wellbore completion, making him a valuable asset to Baker Hughes Corporation and the industry as a whole.