Paris, France

Sylvaine Leroy-Delage

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Schlumberger Technology Corporation. Active years: 2002-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sylvaine Leroy-Delage. Retrieved from https://idiyas.com/inventor/sylvaine-leroy-delage

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 = 3.4

ph-index = 2

Forward Citations = 84(Granted Patents)


Company Filing History:


Years Active: 2002-2005

Loading Chart...
Loading Chart...
2 patents (USPTO):Explore Patents

Title: Sylvaine Leroy-Delage: Innovator in Cementing Compositions

Introduction

Sylvaine Leroy-Delage is a notable inventor based in Paris, France. She has made significant contributions to the field of cementing compositions, particularly for oil wells. With a total of 2 patents, her work has advanced the technology used in cementing applications.

Latest Patents

Leroy-Delage's latest patents focus on cementing compositions that incorporate rubber particles. These compositions are designed for cementing wells and consist of 30% to 100% rubber particles by weight of cement, with a grain size in the 40-60 mesh range. The addition of rubber particles results in a low-density slurry while maintaining low cement permeability. This innovation is particularly beneficial for cementing zones that experience extreme dynamic stresses, such as perforation zones and junctions in multi-sidetrack wells.

Another patent details the preparation of slurries using a reference slurry with a density of 16.4 lb/gal (US) and a porosity of 55.18%. The cement used is a class G Dickerhoff North cement. The slurries are prepared with specific concentrations of a suspension agent and an anti-foaming agent, ensuring optimal performance during the cementing process.

Career Highlights

Throughout her career, Sylvaine Leroy-Delage has worked with prominent companies in the industry. Notably, she has been associated with Schlumberger Technology Corporation and Services Petroliers Schlumberger. Her expertise in cementing compositions has made her a valuable asset in these organizations.

Collaborations

Leroy-Delage has collaborated with esteemed colleagues, including Bernard Dargaud and Marc J Thiercelin. These partnerships have contributed to her innovative work in the field.

Conclusion

Sylvaine Leroy-Delage is a pioneering inventor whose contributions to cementing compositions have significantly impacted the oil industry. Her innovative approaches continue to enhance the efficiency and effectiveness of cementing processes.

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]
Loading…