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For the Inventor, By the Inventor

Houston, TX, United States of America

Richard N Chandler

This inventor holds 6 USPTO granted patents. Top assignee: Schlumberger Technology Corporation. Active years: 1977-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Richard N Chandler. Retrieved from https://idiyas.com/inventor/richard-n-chandler

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 5

Forward Citations = 295(Granted Patents)


Location History:

  • Danbury, CT (US) (1979)
  • Houston, TX (US) (1977 - 1992)

Company Filing History:

goldMedal6 out of 10,746 
 
Schlumberger Technology Corporation
 patents

Years Active: 1977-1992

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6 patents (USPTO):Explore Patents
1. 5157605 - Induction logging method and apparatus including means for combining (1992-10-20),
2. 4873488 - Induction logging sonde with metallic support having a coaxial (1989-10-10),
3. 4651101 - Induction logging sonde with metallic support (1987-03-17),
4. 4427944 - System for permeability logging by measuring streaming potentials (1984-01-24),
5. 4175251 - Nuclear magnetism logging method and system (1979-11-20),
6. 4035718 - Enclosed nuclear-magnetism logging tool with compensated coil-isolating (1977-07-12),

Title: Richard N. Chandler: Innovator in Induction Logging Technology

Introduction

Richard N. Chandler is a notable inventor based in Houston, TX (US), recognized for his contributions to the field of induction logging technology. With a total of 6 patents to his name, Chandler has made significant advancements that enhance the efficiency and effectiveness of induction logging methods.

Latest Patents

Chandler's latest patents include innovative technologies such as an induction logging method and apparatus that combines multiple frequencies for improved depth of investigation and vertical resolution. This invention utilizes the skin effect of the formation to operate a simple induction sonde effectively. Additionally, he has developed an induction logging sonde with a metallic support that enhances the flow of eddy currents, thereby optimizing the electric field on its surface.

Career Highlights

Chandler is currently associated with Schlumberger Technology Corporation, where he continues to push the boundaries of induction logging technology. His work has been instrumental in developing apparatuses that acquire both in-phase and quadrature components of receiver array signals at various frequencies.

Collaborations

Throughout his career, Chandler has collaborated with esteemed colleagues such as Thomas D. Barber and John F. Hunka, contributing to the advancement of technology in the field.

Conclusion

Richard N. Chandler's innovative work in induction logging technology has significantly impacted the industry, showcasing his expertise and dedication to advancing engineering solutions. His contributions continue to influence the field and inspire future innovations.

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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