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Elf Exploration Production

USPTO Granted Patents = 49

CIPO Patents = 1

Forward Citations = 610

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74 inventors (with patents filed for the assignee):

Naamen Keskes (6 out of 11 patents)

Pierre Lemetayer (5 out of 12 patents)

Jean Nougayrede (5 out of 16 patents)

4. Sabine Savin-Poncet (4 out of 7 patents)

5. Philippe Rabiller (4 out of 5 patents)

6. Eric De Bazelaire (4 out of 6 patents)

7. Jean-Louis Beauquin (3 out of 12 patents)

8. Pierre Thore (3 out of 15 patents)

9. Marc J Ledoux (3 out of 12 patents)

10. Fabien Pauget (3 out of 3 patents)

11. Hubert Prouvost (2 out of 2 patents)

12. Thierry Botrel (2 out of 2 patents)

13. Claude Crouzet (2 out of 3 patents)

14. Christian Zurdo (2 out of 3 patents)

15. Josiane Durrieu (2 out of 2 patents)

Core Competencies:

Chrono-Stratigraphic Interpretation

Electric Motor Technology

Gas Hydrate Elimination

Biodegradable Drilling Muds

Geological Discontinuity Detection

Sulfur Recovery Processes

Hydrocarbon Production Control

Seismic Data Processing

Electrocatalytic Deoxygenation

Hydrocarbon Transport Methods

Seismic Reflection Acquisition

Fluid Pumping Technologies

49 patents: Sort by Forward Citations

1. 6771800 - Method of chrono-stratigraphic interpretation of a seismic cross section or block (2004-08-03),

2. 6765325 - Alternating current electric motor (2004-07-20),

3. 6756021 - Device for eliminating gas or paraffin hydrate deposits that form in well drilling equipment or in hydrocarbon production or transportation equipment (2004-06-29),

4. 6711529 - Method for determining at least one optimal trajectory for reaching a fuzzy target situated in a medium starting from a point remote from the target (2004-03-23),

5. 6636618 - Method for detecting geological discontinuity in an environment using an optical flow (2003-10-21),

6. 6634442 - Process for using biodegradable drilling muds (2003-10-21),

7. 6628806 - Method for detecting chaotic structures in a given medium (2003-09-30),

8. 6540021 - Method for detecting inflow of fluid in a well while drilling and implementing device (2003-04-01),

9. 6531281 - Method of detecting sulphate-reducing bacteria (2003-03-11),

10. 6446006 - Method of producing impact point position probability maps for a well (2002-09-03),

11. 6444185 - Process for recovering as sulfur the compounds H2S, SO2, COS and/or CS2 in a tail gas from a sulfur plant (2002-09-03),

12. 6426321 - Biodegradable drilling mud and process for its preparation (2002-07-30),

13. 6372193 - Process for oxidizing the H2S contained at low concentration in a gas directly to sulphur by catalytic means and in the vapour pause (2002-04-16),

14. 6366859 - Method of detecting breaks in logging signals relating to a region of a medium (2002-04-02),

15. 6355150 - Analyzer for measuring H2S and its use for a sulfur oxidation reactor (2002-03-12),

ELF Exploration Production is a leading global energy company that specializes in the exploration, production, refining, and distribution of oil and gas products. With a strong focus on sustainability and innovation, ELF is committed to delivering reliable and affordable energy solutions to its customers worldwide. Visit our website to learn more about our operations, projects, and corporate responsibility initiatives.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

49 Patents

#28 in

#470 in France

#13,865 in the World

Elf Exploration Production

Forward Citations = 610

74 inventors:

Naamen Keskes (6 out of 11 patents)

Pierre Lemetayer (5 out of 12 patents)

Jean Nougayrede (5 out of 16 patents)

4. Sabine Savin-Poncet (4 out of 7 patents)

5. Philippe Rabiller (4 out of 5 patents)

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