Patents by Inventor Selim CHOUIK

Selim CHOUIK 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 for denitrogenation of natural gas with or without helium recovery
    Patent number: 10006699
    Abstract: The invention relates to a method for denitrogenation of natural gas by distillation, in which natural gas cooled in an exchange line is separated in a system of columns including at least one column, a nitrogen-enriched gas is drawn from one column of the system of columns and is heated in the exchange line, a methane-enriched liquid is drawn from one column of the system of columns, pressurized and vaporized in the exchange line at at least one vaporization pressure, and at least one portion of the cooled natural gas expands in gaseous form in a turbine and is sent to one column of the system of columns in gaseous form.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: June 26, 2018
    Assignee: L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
    Inventors: Alain Briglia, Selim Chouik
  • METHOD FOR DENITROGENATION OF NATURAL GAS WITH OR WITHOUT HELIUM RECOVERY
    Publication number: 20160245584
    Abstract: The invention relates to a method for denitrogenation of natural gas by distillation, in which natural gas cooled in an exchange line is separated in a system of columns including at least one column, a nitrogen-enriched gas is drawn from one column of the system of columns and is heated in the exchange line, a methane-enriched liquid is drawn from one column of the system of columns, pressurized and vaporized in the exchange line at at least one vaporization pressure, and at least one portion of the cooled natural gas expands in gaseous form in a turbine and is sent to one column of the system of columns in gaseous form.
    Type: Application
    Filed: October 14, 2014
    Publication date: August 25, 2016
    Applicant: L'air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Procedes Georges Claude
    Inventors: Alain BRIGLIA, Selim CHOUIK