Patents by Inventor Roberto Arangath

Roberto Arangath 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).

  • GELLED FOAM COMPOSITIONS AND METHODS
    Publication number: 20160017216
    Abstract: The invention provides a method made of steps of injecting into a wellbore, a composition comprising a solvent, a surfactant, a foaming gas, a foam enhancer, a crosslinkable polymer, and a crosslinking agent capable of crosslinking the polymer, wherein the foam enhancer increases the foam half-life of the gel composition compared to the gel composition without the foam enhancer; and allowing viscosity of the composition to increase and form a gel.
    Type: Application
    Filed: July 22, 2015
    Publication date: January 21, 2016
    Inventors: Emilio Jose Miquilena, Roberto Arangath, Arthur Milne, Pedro Saldungaray, Richard Donald Hutchins, Syed A. Ali, Baudel William Quintero, Leiming Li
  • Gelled foam compositions and methods
    Patent number: 9103202
    Abstract: The invention provides a method made of steps of injecting into a wellbore, a composition comprising a solvent, a surfactant, a foaming gas, a foam enhancer, a crosslinkable polymer, and a crosslinking agent capable of crosslinking the polymer, wherein the foam enhancer increases the foam half-life of the gel composition compared to the gel composition without the foam enhancer; and allowing viscosity of the composition to increase and form a gel.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: August 11, 2015
    Assignee: Schlumberger Technology Corporation
    Inventors: Emilio Jose Miquilena, Roberto Arangath, Arthur Milne, Pedro Saldungaray, Richard Donald Hutchins, Syed A. Ali, Baudel William Quintero, Leiming Li
  • GELLED FOAM COMPOSITIONS AND METHODS
    Publication number: 20110315384
    Abstract: The invention provides a method made of steps of injecting into a wellbore, a composition comprising a solvent, a surfactant, a foaming gas, a foam enhancer, a crosslinkable polymer, and a crosslinking agent capable of crosslinking the polymer, wherein the foam enhancer increases the foam half-life of the gel composition compared to the gel composition without the foam enhancer; and allowing viscosity of the composition to increase and form a gel.
    Type: Application
    Filed: June 25, 2010
    Publication date: December 29, 2011
    Inventors: Emilio Miquilena, Roberto Arangath, Arthur Milne, Pedro Saldungaray, Richard D. Hutchins, Syed A. Ali, Baudel William Quintero, Leiming Li