Patents by Inventor Bernard Jean-Luc Espagne

Bernard Jean-Luc Espagne has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Biodegradable lubricating composition and use thereof in a drilling fluid, in particular for very deep reservoirs
    Patent number: 8846583
    Abstract: The present disclosure relates to a biodegradable lubricant composition, notably intended to be incorporated as an oil phase with high lubricating power in a drilling fluid or mud. This composition may be in a drilling fluid or as a fluid for fracture of underground formations. These muds or fluids contained in the composition of the present disclosure are particularly suitable for very deep drillings, offshore in deep water and/or sidetracked drillings or with a long shift.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: September 30, 2014
    Assignee: Total Marketing Services
    Inventors: Bernard Jean-Luc Espagne, Samia Lamrani-Kern, Hél éne Rodeschini
  • BIODEGRADABLE LUBRICATING COMPOSITION AND USE THEREOF IN A DRILLING FLUID, IN PARTICULAR FOR VERY DEEP RESERVOIRS
    Publication number: 20120283151
    Abstract: The present disclosure relates to a biodegradable lubricant composition, notably intended to be incorporated as an oil phase with high lubricating power in a drilling fluid or mud. This composition may be in a drilling fluid or as a fluid for fracture of underground formations. These muds or fluids contained in the composition of the present disclosure are particularly suitable for very deep drillings, offshore in deep water and/or sidetracked drillings or with a long shift.
    Type: Application
    Filed: December 14, 2010
    Publication date: November 8, 2012
    Applicant: TOTAL RAFFINAGE MARKETING
    Inventors: Bernard Jean-Luc Espagne, Samia Lamrani-Kern, Héléne Rodeschini