Patents by Inventor Sergio Rosales

Sergio Rosales 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).

  • COMPLETION FLUID
    Publication number: 20150354298
    Abstract: An aqueous well completion/workover fluid, including a surfactant, at least one salt and an alkaline material, wherein the surfactant comprises a mixture of a phosphate ester and a non ionic ethoxylated alcohol, wherein the fluid has a pH between 6 and 8, and wherein the fluid generates an interfacial tension with crude oil of less than or equal to 1 dyne/cm. The fluid is not harmful to a formation if it penetrates the formation, and further exhibits an excellent detergency which can be beneficial as well.
    Type: Application
    Filed: May 29, 2015
    Publication date: December 10, 2015
    Applicant: INTEVEP, S.A.
    Inventors: Jose Miguel Gonzalez Poche, Franklin Quintero Godoy, Rosa Linda Marquez Silva, Sergio Rosales, Maria Luisa Ventresca Di Filippo
  • Completion fluid
    Patent number: 9051507
    Abstract: An aqueous well completion/workover fluid, including a surfactant, at least one salt and an alkaline material, wherein the surfactant comprises a mixture of a phosphate ester and a non ionic ethoxylated alcohol, wherein the fluid has a pH between 6 and 8, and wherein the fluid generates an interfacial tension with crude oil of less than or equal to 1 dyne/cm. The fluid is not harmful to a formation if it penetrates the formation, and further exhibits an excellent detergency which can be beneficial as well.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: June 9, 2015
    Assignee: Intevep, S.A.
    Inventors: Jose Miguel Gonzalez Poche, Franklin Quintero Godoy, Rosa Linda Marquez Silva, Sergio Rosales, Maria Luisa Ventresca Di Filippo
  • DRILLING FLUID USING SURFACTANT PACKAGE
    Publication number: 20140024560
    Abstract: A drilling fluid, comprising an aqueous continuous phase, and a surfactant system comprising a mixture of an ester phosphate and a non-ionic ethoxylated alcohol. The drilling fluid may also contain one or more of at least one salt, an alkaline material, a viscosifying agent, a starch or starch derivative, a bridging agent, a weighting material, and a diesel oil or non-aromatic oil.
    Type: Application
    Filed: July 19, 2012
    Publication date: January 23, 2014
    Applicant: INTEVEP, S.A.
    Inventors: Jose Miguel Gonzalez Poche, Franklin Quintero Godoy, Rosa Linda Marquez Silva, Sergio Rosales, Jesus Enrique Arellano Varela, Harry Wilson Ogalde Arquero, Domingo Pernia
  • COMPLETION FLUID
    Publication number: 20130252857
    Abstract: An aqueous well completion/workover fluid, including a surfactant, at least one salt and an alkaline material, wherein the surfactant comprises a mixture of a phosphate ester and a non ionic ethoxylated alcohol, wherein the fluid has a pH between 6 and 8, and wherein the fluid generates an interfacial tension with crude oil of less than or equal to 1 dyne/cm. The fluid is not harmful to a formation if it penetrates the formation, and further exhibits an excellent detergency which can be beneficial as well.
    Type: Application
    Filed: March 23, 2012
    Publication date: September 26, 2013
    Applicant: INTEVEP, S.A.
    Inventors: Jose Miguel Gonzalez Poche, Franklin Quintero Godoy, Rosa Linda Marquez Silva, Sergio Rosales, Maria Luisa Ventresca Di Filippo