Patents by Inventor Gaspar Gonzalez Maldonado

Gaspar Gonzalez Maldonado 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).

  • Composition of microemulsion and method for advanced recovery of heavy oil
    Patent number: 8183182
    Abstract: A composition of a microemulsion including a mixture of a combination of surfactants and co-surfactants, an oil phase and an aqueous phase is described. In addition, a method for the advanced recovery of heavy oils is described which includes the steps of injecting a bank containing a microemulsion composition, injecting a bank of a polymer solution, and injecting water. The microemulsion composition can be applied in arenitic and carbonatic reservoirs, containing oils with API below 22.3° API, in both onshore and offshore fields.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: May 22, 2012
    Assignee: Petroleo Brasileiro S.A.—Petrobras
    Inventors: Marcia Cristina Khalil Oliveira, Gaspar Gonzalez Maldonado
  • COMPOSITION OF MICROEMULSION AND METHOD FOR ADVANCED RECOVERY OF HEAVY OIL
    Publication number: 20100006286
    Abstract: A composition of a microemulsion including a mixture of a combination of surfactants and co-surfactants, an oil phase and an aqueous phase is described. In addition, a method for the advanced recovery of heavy oils is described which includes the steps of injecting a bank containing a microemulsion composition, injecting a bank of a polymer solution, and injecting water. The microemulsion composition can be applied in arenitic and carbonatic reservoirs, containing oils with API below 22.3° API, in both onshore and offshore fields.
    Type: Application
    Filed: June 18, 2009
    Publication date: January 14, 2010
    Applicant: PETROLEO BRASILEIRO S.A. - PETROBRAS
    Inventors: Marcia Cristina Khalil Oliveira, Gaspar Gonzalez Maldonado