Patents by Inventor Jean-Michel Fitremann

Jean-Michel Fitremann 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).

  • Process and device for injecting a liquid agent used for treating a geological formation in the vicinity of a well bore traversing this formation
    Patent number: 4431057
    Abstract: A technique for liquid treating a geological formation comprises spraying the liquid with a pressurized carrier gas, using a spraying pipe whose length and diameter are adjusted as a function of the pressure prevailing at the level of the formation and of the characteristics of the injected liquid and the pressurized carrier gas, so that the size of the liquid droplets at the outlet of the spraying pipe has a narrow range of distribution about a single preselected value.
    Type: Grant
    Filed: June 30, 1981
    Date of Patent: February 14, 1984
    Assignee: Institut Francais du Petrole
    Inventors: Jean Colonna, Jean-Michel Fitremann, Richard Genin, Jean-Paul Sarda
  • Process and device for injecting a liquid agent used for treating a geological formation in the vicinity of a well bore traversing this formation
    Patent number: 4298066
    Abstract: A technique for liquid treating a geological formation comprises spraying the liquid with a pressurized carrier gas, using a spraying pipe whose length and diameter are adjusted as a function of the pressure prevailing at the level of the formation and of the characteristics of the injected liquid and the pressurized carrier gas, so that the size of the liquid droplets at the outlet of the spraying pipe has a narrow range of distribution about a single preselected value.
    Type: Grant
    Filed: June 20, 1980
    Date of Patent: November 3, 1981
    Assignee: Institut Francais du Petrole
    Inventors: Jean Colonna, Jean-Michel Fitremann, Richard Genin, Jean-Paul Sarda