Patents by Inventor Gilles Rouault

Gilles Rouault 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).

  • Method and device for determining the resistivity in a geological formation crossed by a cased well
    Patent number: 7260478
    Abstract: The invention concerns a method for determining the resistivity in a formation crossed by a cased well, in which one carries out at least one resistivity log in the cased well and one uses the results of at least one resistivity log in the non-cased well, carried out in the same well previously, in order to, in at least one zone (10) of the formation in which the resistivity has not changed between the cased and non-cased condition, deduce the value of a geometric factor k conditioning the resistivity and for determining, by means of said geometric factor k and the log in the cased well, the resistivity in at least one zone (11) different to the calibration zone, in which the resistivity has varied between the non-cased condition and the cased condition.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: August 21, 2007
    Assignee: Schlumberger Technology Corporation
    Inventors: Isabelle Dubourg, Ollivier Faivre, Gilles Rouault
  • Process for determining the resistivity of a formation through which a well equipped with a casing passes
    Patent number: 7064551
    Abstract: Process for determining the resistivity (Rt) of a formation (9) surrounding a well (10) equipped with a casing (11) consisting of several casing segments (11.i, 11.
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: June 20, 2006
    Assignee: Schlumberger Technology Corporation
    Inventors: Isabelle Dubourg, Ollivier Faivre, Gilles Rouault
  • Method and device for determining the resistivity in a geological formation crossed by a cased well
    Publication number: 20060015258
    Abstract: The invention concerns a method for determining the resistivity in a formation crossed by a cased well, in which one carries out at least one resistivity log in the cased well and one uses the results of at least one resistivity log in the non-cased well, carried out in the same well previously, in order to, in at least one zone (10) of the formation in which the resistivity has not changed between the cased and non-cased condition, deduce the value of a geometric factor k conditioning the resistivity and for determining, by means of said geometric factor k and the log in the cased well, the resistivity in at least one zone (11) different to the calibration zone, in which the resistivity has varied between the non-cased condition and the cased condition.
    Type: Application
    Filed: October 14, 2003
    Publication date: January 19, 2006
    Inventors: Isabelle Dubourg, Ollivier Faivre, Gilles Rouault
  • Process for determining the resistivity of a formation through which a well equipped with a casing passes
    Publication number: 20050253588
    Abstract: Process for determining the resistivity (Rt) of a formation (9) surrounding a well (10) equipped with a casing (11) consisting of several casing segments (11.i, 11.
    Type: Application
    Filed: April 10, 2003
    Publication date: November 17, 2005
    Inventors: Isabelle Dubourg, Ollivier Faivre, Gilles Rouault