Aberdeen, United Kingdom

Andrew Michael Duggan

This inventor holds 9 USPTO granted patents, plus 3 CIPO patents. Top assignee: Weatherford/lamb, Inc.. Active years: 2006-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Andrew Michael Duggan. Retrieved from https://idiyas.com/inventor/andrew-michael-duggan

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


% Patents Active = 33.3


Average Co-Inventor Count = 2.3

ph-index = 6

Forward Citations = 116(Granted Patents)


Location History:

  • Scotland, GB (2006)
  • Westhill, GB (2007 - 2008)
  • Aberden, GB (2006 - 2010)
  • Aberdeen, GB (2006 - 2014)

Company Filing History:


Years Active: 2006-2014

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9 patents (USPTO):Explore Patents

Title: The Innovations of Andrew Michael Duggan: Pioneering Patents in Tubing Technologies

Introduction: Andrew Michael Duggan, an accomplished inventor based in Aberdeen, GB, has made significant contributions to the field of tubing expansion technology. With a remarkable portfolio of nine patents, Duggan stands out as a leader in innovative solutions that improve efficiency and performance in various applications.

Latest Patents: Among Duggan's latest patents are two notable innovations: the Tubing Expansion device and the Bore Isolation method. The Tubing Expansion device introduces a dual approach to expanding tubing by utilizing both hoop stress and compressive yield mechanisms. This innovation allows for enhanced adaptability of tubing in diverse environments. The Bore Isolation method provides an effective solution for isolating problem zones within drilled bores. By expanding tubing to conform to the irregularities of the bore wall, this method ensures that problematic areas can be effectively managed, enhancing drilling effectiveness.

Career Highlights: Andrew Michael Duggan has built his career at Weatherford/Lamb, Inc., a company renowned for its cutting-edge technologies in oil and gas services. His expertise in tubing expansion has facilitated advancements in drilling operations, providing safer and more efficient processes. Duggan's dedication to innovation has resulted in multiple patents, showcasing his commitment to solving complex engineering challenges.

Collaborations: Throughout his career, Duggan has collaborated with talented individuals, including coworkers Simon John Harrall and Paul David Metcalfe. These collaborations have allowed for a synergistic approach to innovation, leading to the successful development of various technologies within the field.

Conclusion: Andrew Michael Duggan exemplifies the spirit of innovation through his contributions to tubing expansion technologies. His patented methods and devices reflect a deep understanding of engineering principles and a commitment to enhancing operational effectiveness in the industry. As he continues to push the boundaries of invention, Duggan's work will undoubtedly influence the future of tubing technology.

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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