Edmonton, Canada

James A C MacTavish

This inventor holds 1 USPTO granted patent. Top assignee: Weatherford Technology Holdings, LLC. Active years: 2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James A C MacTavish. Retrieved from https://idiyas.com/inventor/james-a-c-mactavish

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2018

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1 patent (USPTO):Explore Patents

Title: James A C MacTavish: Innovator in Downhole Technology

Introduction

James A C MacTavish is a notable inventor based in Edmonton, Canada. He has made significant contributions to the field of downhole technology, particularly with his innovative designs that enhance the efficiency and effectiveness of oil and gas operations. His work is characterized by a commitment to improving existing technologies and developing new solutions for industry challenges.

Latest Patents

James A C MacTavish holds a patent for the "Tension-set tieback packer." This apparatus is designed to support tubing in casing and includes a setting tool and a liner top packer that can be utilized for tieback operations. The invention features a setting slip that is positioned uphole of a packing assembly on the packer, which can be moved from a retracted to an extended state to engage the casing. The setting tool temporarily connects to the packer and includes a pack-off that seals the tool within the packer while allowing for movement. After being deployed downhole, the temporary connection is disconnected, and the setting slip is set in the casing by moving the setting tool in an uphole direction. The packing assembly is then set by engaging the setting tool with the pack-off and compressing the packing element against the set slip. Ultimately, the setting tool is disengaged from the packer, completing the operation.

Career Highlights

James A C MacTavish is currently employed at Weatherford Technology Holdings, LLC, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of downhole equipment, making significant impacts on operational efficiency and safety in the oil and gas industry.

Collaborations

Throughout his career, James has collaborated with several talented professionals, including Andrew James Hanson and Brian E Hilhorst. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

James A C MacTavish is a distinguished inventor whose contributions to downhole technology have made a lasting impact on the industry. His innovative spirit and dedication to improving operational efficiency continue to drive advancements in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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